28219884

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4363}}^1$

素因数の和:4395

約数の個数: 72

約数和(自身を含む): 83579328

約数和(自身を除く): 55359444

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, 2156, 3234, 4363, 6468, 8726, 13089, 17452, 26178, 30541, 47993, 52356, 61082, 91623, 95986, 122164, 143979, 183246, 191972, 213787, 287958, 335951, 366492, 427574, 575916, 641361, 671902, 855148, 1007853, 1282722, 1343804, 2015706, 2351657, 2565444, 4031412, 4703314, 7054971, 9406628, 14109942, 28219884]

約数ペア:

[(1, 28219884), (2, 14109942), (3, 9406628), (4, 7054971), (6, 4703314), (7, 4031412), (11, 2565444), (12, 2351657), (14, 2015706), (21, 1343804), (22, 1282722), (28, 1007853), (33, 855148), (42, 671902), (44, 641361), (49, 575916), (66, 427574), (77, 366492), (84, 335951), (98, 287958), (132, 213787), (147, 191972), (154, 183246), (196, 143979), (231, 122164), (294, 95986), (308, 91623), (462, 61082), (539, 52356), (588, 47993), (924, 30541), (1078, 26178), (1617, 17452), (2156, 13089), (3234, 8726), (4363, 6468)]