28981238748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2003}}^1\times {\mathrm{2237}}^1$

素因数の和:4272

約数の個数: 144

約数和(自身を含む): 85895800704

約数和(自身を除く): 56914561956

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2003, 2156, 2237, 3234, 4006, 4474, 6009, 6468, 6711, 8012, 8948, 12018, 13422, 14021, 15659, 22033, 24036, 24607, 26844, 28042, 31318, 42063, 44066, 46977, 49214, 56084, 62636, 66099, 73821, 84126, 88132, 93954, 98147, 98428, 109613, 132198, 147642, 154231, 168252, 172249, 187908, 196294, 219226, 264396, 294441, 295284, 308462, 328839, 344498, 392588, 438452, 462693, 516747, 588882, 616924, 657678, 688996, 925386, 1033494, 1079617, 1177764, 1205743, 1315356, 1850772, 2066988, 2159234, 2411486, 3238851, 3617229, 4318468, 4480711, 4822972, 6477702, 7234458, 8961422, 12955404, 13442133, 14468916, 17922844, 26884266, 31364977, 49287821, 53768532, 62729954, 94094931, 98575642, 125459908, 147863463, 188189862, 197151284, 219554839, 295726926, 345014747, 376379724, 439109678, 591453852, 658664517, 690029494, 878219356, 1035044241, 1317329034, 1380058988, 2070088482, 2415103229, 2634658068, 4140176964, 4830206458, 7245309687, 9660412916, 14490619374, 28981238748]

約数ペア:

[(1, 28981238748), (2, 14490619374), (3, 9660412916), (4, 7245309687), (6, 4830206458), (7, 4140176964), (11, 2634658068), (12, 2415103229), (14, 2070088482), (21, 1380058988), (22, 1317329034), (28, 1035044241), (33, 878219356), (42, 690029494), (44, 658664517), (49, 591453852), (66, 439109678), (77, 376379724), (84, 345014747), (98, 295726926), (132, 219554839), (147, 197151284), (154, 188189862), (196, 147863463), (231, 125459908), (294, 98575642), (308, 94094931), (462, 62729954), (539, 53768532), (588, 49287821), (924, 31364977), (1078, 26884266), (1617, 17922844), (2003, 14468916), (2156, 13442133), (2237, 12955404), (3234, 8961422), (4006, 7234458), (4474, 6477702), (6009, 4822972), (6468, 4480711), (6711, 4318468), (8012, 3617229), (8948, 3238851), (12018, 2411486), (13422, 2159234), (14021, 2066988), (15659, 1850772), (22033, 1315356), (24036, 1205743), (24607, 1177764), (26844, 1079617), (28042, 1033494), (31318, 925386), (42063, 688996), (44066, 657678), (46977, 616924), (49214, 588882), (56084, 516747), (62636, 462693), (66099, 438452), (73821, 392588), (84126, 344498), (88132, 328839), (93954, 308462), (98147, 295284), (98428, 294441), (109613, 264396), (132198, 219226), (147642, 196294), (154231, 187908), (168252, 172249)]