11980451990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5421019}}^1$

素因数の和:5421056

約数の個数: 32

約数和(自身を含む): 24589746720

約数和(自身を除く): 12609294730

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 5421019, 10842038, 27105095, 54210190, 70473247, 92157323, 140946494, 184314646, 352366235, 460786615, 704732470, 921573230, 1198045199, 2396090398, 5990225995, 11980451990]

約数ペア:

[(1, 11980451990), (2, 5990225995), (5, 2396090398), (10, 1198045199), (13, 921573230), (17, 704732470), (26, 460786615), (34, 352366235), (65, 184314646), (85, 140946494), (130, 92157323), (170, 70473247), (221, 54210190), (442, 27105095), (1105, 10842038), (2210, 5421019)]