397804790

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{1427}}^1$

素因数の和:1952

約数の個数: 32

約数和(自身を含む): 729890784

約数和(自身を除く): 332085994

約数列:

[1, 2, 5, 10, 61, 122, 305, 457, 610, 914, 1427, 2285, 2854, 4570, 7135, 14270, 27877, 55754, 87047, 139385, 174094, 278770, 435235, 652139, 870470, 1304278, 3260695, 6521390, 39780479, 79560958, 198902395, 397804790]

約数ペア:

[(1, 397804790), (2, 198902395), (5, 79560958), (10, 39780479), (61, 6521390), (122, 3260695), (305, 1304278), (457, 870470), (610, 652139), (914, 435235), (1427, 278770), (2285, 174094), (2854, 139385), (4570, 87047), (7135, 55754), (14270, 27877)]