247351728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:747

約数の個数: 160

約数和(自身を含む): 748840960

約数和(自身を除く): 501489232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 31, 38, 39, 48, 52, 57, 62, 76, 78, 93, 104, 114, 124, 152, 156, 186, 208, 228, 247, 248, 304, 312, 372, 403, 456, 494, 496, 589, 624, 673, 741, 744, 806, 912, 988, 1178, 1209, 1346, 1482, 1488, 1612, 1767, 1976, 2019, 2356, 2418, 2692, 2964, 3224, 3534, 3952, 4038, 4712, 4836, 5384, 5928, 6448, 7068, 7657, 8076, 8749, 9424, 9672, 10768, 11856, 12787, 14136, 15314, 16152, 17498, 19344, 20863, 22971, 25574, 26247, 28272, 30628, 32304, 34996, 38361, 41726, 45942, 51148, 52494, 61256, 62589, 69992, 76722, 83452, 91884, 102296, 104988, 122512, 125178, 139984, 153444, 166231, 166904, 183768, 204592, 209976, 250356, 271219, 306888, 332462, 333808, 367536, 396397, 419952, 498693, 500712, 542438, 613776, 664924, 792794, 813657, 997386, 1001424, 1084876, 1189191, 1329848, 1585588, 1627314, 1994772, 2169752, 2378382, 2659696, 3171176, 3254628, 3989544, 4339504, 4756764, 5153161, 6342352, 6509256, 7979088, 9513528, 10306322, 13018512, 15459483, 19027056, 20612644, 30918966, 41225288, 61837932, 82450576, 123675864, 247351728]

約数ペア:

[(1, 247351728), (2, 123675864), (3, 82450576), (4, 61837932), (6, 41225288), (8, 30918966), (12, 20612644), (13, 19027056), (16, 15459483), (19, 13018512), (24, 10306322), (26, 9513528), (31, 7979088), (38, 6509256), (39, 6342352), (48, 5153161), (52, 4756764), (57, 4339504), (62, 3989544), (76, 3254628), (78, 3171176), (93, 2659696), (104, 2378382), (114, 2169752), (124, 1994772), (152, 1627314), (156, 1585588), (186, 1329848), (208, 1189191), (228, 1084876), (247, 1001424), (248, 997386), (304, 813657), (312, 792794), (372, 664924), (403, 613776), (456, 542438), (494, 500712), (496, 498693), (589, 419952), (624, 396397), (673, 367536), (741, 333808), (744, 332462), (806, 306888), (912, 271219), (988, 250356), (1178, 209976), (1209, 204592), (1346, 183768), (1482, 166904), (1488, 166231), (1612, 153444), (1767, 139984), (1976, 125178), (2019, 122512), (2356, 104988), (2418, 102296), (2692, 91884), (2964, 83452), (3224, 76722), (3534, 69992), (3952, 62589), (4038, 61256), (4712, 52494), (4836, 51148), (5384, 45942), (5928, 41726), (6448, 38361), (7068, 34996), (7657, 32304), (8076, 30628), (8749, 28272), (9424, 26247), (9672, 25574), (10768, 22971), (11856, 20863), (12787, 19344), (14136, 17498), (15314, 16152)]