8891545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 12247200

約数和(自身を除く): 3355655

約数列:

[1, 5, 13, 29, 53, 65, 89, 145, 265, 377, 445, 689, 1157, 1537, 1885, 2581, 3445, 4717, 5785, 7685, 12905, 19981, 23585, 33553, 61321, 99905, 136793, 167765, 306605, 683965, 1778309, 8891545]

約数ペア:

[(1, 8891545), (5, 1778309), (13, 683965), (29, 306605), (53, 167765), (65, 136793), (89, 99905), (145, 61321), (265, 33553), (377, 23585), (445, 19981), (689, 12905), (1157, 7685), (1537, 5785), (1885, 4717), (2581, 3445)]