1296353990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1699}}^1\times {\mathrm{1861}}^1$

素因数の和:3608

約数の個数: 32

約数和(自身を含む): 2393042400

約数和(自身を除く): 1096688410

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1699, 1861, 3398, 3722, 8495, 9305, 16990, 18610, 69659, 76301, 139318, 152602, 348295, 381505, 696590, 763010, 3161839, 6323678, 15809195, 31618390, 129635399, 259270798, 648176995, 1296353990]

約数ペア:

[(1, 1296353990), (2, 648176995), (5, 259270798), (10, 129635399), (41, 31618390), (82, 15809195), (205, 6323678), (410, 3161839), (1699, 763010), (1861, 696590), (3398, 381505), (3722, 348295), (8495, 152602), (9305, 139318), (16990, 76301), (18610, 69659)]