64991290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71419}}^1$

素因数の和:71446

約数の個数: 32

約数和(自身を含む): 143982720

約数和(自身を除く): 78991430

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 71419, 142838, 357095, 499933, 714190, 928447, 999866, 1856894, 2499665, 4642235, 4999330, 6499129, 9284470, 12998258, 32495645, 64991290]

約数ペア:

[(1, 64991290), (2, 32495645), (5, 12998258), (7, 9284470), (10, 6499129), (13, 4999330), (14, 4642235), (26, 2499665), (35, 1856894), (65, 999866), (70, 928447), (91, 714190), (130, 499933), (182, 357095), (455, 142838), (910, 71419)]