17805110908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{21383}}^1$

素因数の和:21706

約数の個数: 48

約数和(自身を含む): 34200714240

約数和(自身を除く): 16395603332

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 239, 268, 478, 871, 956, 1742, 3107, 3484, 6214, 12428, 16013, 21383, 32026, 42766, 64052, 85532, 208169, 277979, 416338, 555958, 832676, 1111916, 1432661, 2865322, 5110537, 5730644, 10221074, 18624593, 20442148, 37249186, 66436981, 74498372, 132873962, 265747924, 342405979, 684811958, 1369623916, 4451277727, 8902555454, 17805110908]

約数ペア:

[(1, 17805110908), (2, 8902555454), (4, 4451277727), (13, 1369623916), (26, 684811958), (52, 342405979), (67, 265747924), (134, 132873962), (239, 74498372), (268, 66436981), (478, 37249186), (871, 20442148), (956, 18624593), (1742, 10221074), (3107, 5730644), (3484, 5110537), (6214, 2865322), (12428, 1432661), (16013, 1111916), (21383, 832676), (32026, 555958), (42766, 416338), (64052, 277979), (85532, 208169)]