399143656

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{32377}}^1$

素因数の和:32473

約数の個数: 32

約数和(自身を含む): 792613440

約数和(自身を除く): 393469784

約数列:

[1, 2, 4, 8, 23, 46, 67, 92, 134, 184, 268, 536, 1541, 3082, 6164, 12328, 32377, 64754, 129508, 259016, 744671, 1489342, 2169259, 2978684, 4338518, 5957368, 8677036, 17354072, 49892957, 99785914, 199571828, 399143656]

約数ペア:

[(1, 399143656), (2, 199571828), (4, 99785914), (8, 49892957), (23, 17354072), (46, 8677036), (67, 5957368), (92, 4338518), (134, 2978684), (184, 2169259), (268, 1489342), (536, 744671), (1541, 259016), (3082, 129508), (6164, 64754), (12328, 32377)]