28345330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 57915648

約数和(自身を除く): 29570318

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 71, 74, 83, 130, 142, 166, 185, 355, 370, 415, 481, 710, 830, 923, 962, 1079, 1846, 2158, 2405, 2627, 3071, 4615, 4810, 5254, 5395, 5893, 6142, 9230, 10790, 11786, 13135, 15355, 26270, 29465, 30710, 34151, 39923, 58930, 68302, 76609, 79846, 153218, 170755, 199615, 218041, 341510, 383045, 399230, 436082, 766090, 1090205, 2180410, 2834533, 5669066, 14172665, 28345330]

約数ペア:

[(1, 28345330), (2, 14172665), (5, 5669066), (10, 2834533), (13, 2180410), (26, 1090205), (37, 766090), (65, 436082), (71, 399230), (74, 383045), (83, 341510), (130, 218041), (142, 199615), (166, 170755), (185, 153218), (355, 79846), (370, 76609), (415, 68302), (481, 58930), (710, 39923), (830, 34151), (923, 30710), (962, 29465), (1079, 26270), (1846, 15355), (2158, 13135), (2405, 11786), (2627, 10790), (3071, 9230), (4615, 6142), (4810, 5893), (5254, 5395)]