1915172870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{475229}}^1$

素因数の和:475280

約数の個数: 32

約数和(自身を含む): 3832254720

約数和(自身を除く): 1917081850

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 475229, 950458, 2376145, 4752290, 6177977, 12355954, 14732099, 29464198, 30889885, 61779770, 73660495, 147320990, 191517287, 383034574, 957586435, 1915172870]

約数ペア:

[(1, 1915172870), (2, 957586435), (5, 383034574), (10, 191517287), (13, 147320990), (26, 73660495), (31, 61779770), (62, 30889885), (65, 29464198), (130, 14732099), (155, 12355954), (310, 6177977), (403, 4752290), (806, 2376145), (2015, 950458), (4030, 475229)]