128756156

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{1327}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 228458496

約数和(自身を除く): 99702340

約数列:

[1, 2, 4, 127, 191, 254, 382, 508, 764, 1327, 2654, 5308, 24257, 48514, 97028, 168529, 253457, 337058, 506914, 674116, 1013828, 32189039, 64378078, 128756156]

約数ペア:

[(1, 128756156), (2, 64378078), (4, 32189039), (127, 1013828), (191, 674116), (254, 506914), (382, 337058), (508, 253457), (764, 168529), (1327, 97028), (2654, 48514), (5308, 24257)]