71880458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{641}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 122955840

約数和(自身を除く): 51075382

約数列:

[1, 2, 13, 19, 26, 38, 227, 247, 454, 494, 641, 1282, 2951, 4313, 5902, 8333, 8626, 12179, 16666, 24358, 56069, 112138, 145507, 158327, 291014, 316654, 1891591, 2764633, 3783182, 5529266, 35940229, 71880458]

約数ペア:

[(1, 71880458), (2, 35940229), (13, 5529266), (19, 3783182), (26, 2764633), (38, 1891591), (227, 316654), (247, 291014), (454, 158327), (494, 145507), (641, 112138), (1282, 56069), (2951, 24358), (4313, 16666), (5902, 12179), (8333, 8626)]