642094648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{6047}}^1$

素因数の和:7087

約数の個数: 32

約数和(自身を含む): 1298021760

約数和(自身を除く): 655927112

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1021, 2042, 4084, 6047, 8168, 12094, 13273, 24188, 26546, 48376, 53092, 78611, 106184, 157222, 314444, 628888, 6173987, 12347974, 24695948, 49391896, 80261831, 160523662, 321047324, 642094648]

約数ペア:

[(1, 642094648), (2, 321047324), (4, 160523662), (8, 80261831), (13, 49391896), (26, 24695948), (52, 12347974), (104, 6173987), (1021, 628888), (2042, 314444), (4084, 157222), (6047, 106184), (8168, 78611), (12094, 53092), (13273, 48376), (24188, 26546)]