686161730

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1\times {\mathrm{853}}^1$

素因数の和:1430

約数の個数: 32

約数和(自身を含む): 1245316464

約数和(自身を除く): 559154734

約数列:

[1, 2, 5, 10, 257, 313, 514, 626, 853, 1285, 1565, 1706, 2570, 3130, 4265, 8530, 80441, 160882, 219221, 266989, 402205, 438442, 533978, 804410, 1096105, 1334945, 2192210, 2669890, 68616173, 137232346, 343080865, 686161730]

約数ペア:

[(1, 686161730), (2, 343080865), (5, 137232346), (10, 68616173), (257, 2669890), (313, 2192210), (514, 1334945), (626, 1096105), (853, 804410), (1285, 533978), (1565, 438442), (1706, 402205), (2570, 266989), (3130, 219221), (4265, 160882), (8530, 80441)]