64989908

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{9343}}^1$

素因数の和:9431

約数の個数: 24

約数和(自身を含む): 119304192

約数和(自身を除く): 54314284

約数列:

[1, 2, 4, 37, 47, 74, 94, 148, 188, 1739, 3478, 6956, 9343, 18686, 37372, 345691, 439121, 691382, 878242, 1382764, 1756484, 16247477, 32494954, 64989908]

約数ペア:

[(1, 64989908), (2, 32494954), (4, 16247477), (37, 1756484), (47, 1382764), (74, 878242), (94, 691382), (148, 439121), (188, 345691), (1739, 37372), (3478, 18686), (6956, 9343)]