397789472

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{4391}}^1$

素因数の和:4569

約数の個数: 48

約数和(自身を含む): 830088000

約数和(自身を除く): 432298528

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 149, 152, 298, 304, 596, 608, 1192, 2384, 2831, 4391, 4768, 5662, 8782, 11324, 17564, 22648, 35128, 45296, 70256, 83429, 90592, 140512, 166858, 333716, 654259, 667432, 1308518, 1334864, 2617036, 2669728, 5234072, 10468144, 12430921, 20936288, 24861842, 49723684, 99447368, 198894736, 397789472]

約数ペア:

[(1, 397789472), (2, 198894736), (4, 99447368), (8, 49723684), (16, 24861842), (19, 20936288), (32, 12430921), (38, 10468144), (76, 5234072), (149, 2669728), (152, 2617036), (298, 1334864), (304, 1308518), (596, 667432), (608, 654259), (1192, 333716), (2384, 166858), (2831, 140512), (4391, 90592), (4768, 83429), (5662, 70256), (8782, 45296), (11324, 35128), (17564, 22648)]