31815424

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 69332480

約数和(自身を除く): 37517056

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 211, 248, 256, 304, 422, 496, 589, 608, 844, 992, 1178, 1216, 1688, 1984, 2356, 2432, 3376, 3968, 4009, 4712, 4864, 6541, 6752, 7936, 8018, 9424, 13082, 13504, 16036, 18848, 26164, 27008, 32072, 37696, 52328, 54016, 64144, 75392, 104656, 124279, 128288, 150784, 209312, 248558, 256576, 418624, 497116, 513152, 837248, 994232, 1026304, 1674496, 1988464, 3976928, 7953856, 15907712, 31815424]

約数ペア:

[(1, 31815424), (2, 15907712), (4, 7953856), (8, 3976928), (16, 1988464), (19, 1674496), (31, 1026304), (32, 994232), (38, 837248), (62, 513152), (64, 497116), (76, 418624), (124, 256576), (128, 248558), (152, 209312), (211, 150784), (248, 128288), (256, 124279), (304, 104656), (422, 75392), (496, 64144), (589, 54016), (608, 52328), (844, 37696), (992, 32072), (1178, 27008), (1216, 26164), (1688, 18848), (1984, 16036), (2356, 13504), (2432, 13082), (3376, 9424), (3968, 8018), (4009, 7936), (4712, 6752), (4864, 6541)]