640776552

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2053771}}^1$

素因数の和:2053793

約数の個数: 32

約数和(自身を含む): 1725168480

約数和(自身を除く): 1084391928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 2053771, 4107542, 6161313, 8215084, 12322626, 16430168, 24645252, 26699023, 49290504, 53398046, 80097069, 106796092, 160194138, 213592184, 320388276, 640776552]

約数ペア:

[(1, 640776552), (2, 320388276), (3, 213592184), (4, 160194138), (6, 106796092), (8, 80097069), (12, 53398046), (13, 49290504), (24, 26699023), (26, 24645252), (39, 16430168), (52, 12322626), (78, 8215084), (104, 6161313), (156, 4107542), (312, 2053771)]