31850728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 74712960

約数和(自身を除く): 42862232

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 67, 91, 104, 134, 182, 268, 364, 469, 536, 653, 728, 871, 938, 1306, 1742, 1876, 2612, 3484, 3752, 4571, 5224, 6097, 6968, 8489, 9142, 12194, 16978, 18284, 24388, 33956, 36568, 43751, 48776, 59423, 67912, 87502, 118846, 175004, 237692, 306257, 350008, 475384, 568763, 612514, 1137526, 1225028, 2275052, 2450056, 3981341, 4550104, 7962682, 15925364, 31850728]

約数ペア:

[(1, 31850728), (2, 15925364), (4, 7962682), (7, 4550104), (8, 3981341), (13, 2450056), (14, 2275052), (26, 1225028), (28, 1137526), (52, 612514), (56, 568763), (67, 475384), (91, 350008), (104, 306257), (134, 237692), (182, 175004), (268, 118846), (364, 87502), (469, 67912), (536, 59423), (653, 48776), (728, 43751), (871, 36568), (938, 33956), (1306, 24388), (1742, 18284), (1876, 16978), (2612, 12194), (3484, 9142), (3752, 8489), (4571, 6968), (5224, 6097)]