64204778

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 107516160

約数和(自身を除く): 43311382

約数列:

[1, 2, 11, 22, 89, 121, 178, 242, 271, 542, 979, 1331, 1958, 2662, 2981, 5962, 10769, 21538, 24119, 32791, 48238, 65582, 118459, 236918, 265309, 360701, 530618, 721402, 2918399, 5836798, 32102389, 64204778]

約数ペア:

[(1, 64204778), (2, 32102389), (11, 5836798), (22, 2918399), (89, 721402), (121, 530618), (178, 360701), (242, 265309), (271, 236918), (542, 118459), (979, 65582), (1331, 48238), (1958, 32791), (2662, 24119), (2981, 21538), (5962, 10769)]