216464816

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 455328000

約数和(自身を除く): 238863184

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 101, 116, 124, 149, 202, 232, 248, 298, 404, 464, 496, 596, 808, 899, 1192, 1616, 1798, 2384, 2929, 3131, 3596, 4321, 4619, 5858, 6262, 7192, 8642, 9238, 11716, 12524, 14384, 15049, 17284, 18476, 23432, 25048, 30098, 34568, 36952, 46864, 50096, 60196, 69136, 73904, 90799, 120392, 133951, 181598, 240784, 267902, 363196, 436421, 466519, 535804, 726392, 872842, 933038, 1071608, 1452784, 1745684, 1866076, 2143216, 3491368, 3732152, 6982736, 7464304, 13529051, 27058102, 54116204, 108232408, 216464816]

約数ペア:

[(1, 216464816), (2, 108232408), (4, 54116204), (8, 27058102), (16, 13529051), (29, 7464304), (31, 6982736), (58, 3732152), (62, 3491368), (101, 2143216), (116, 1866076), (124, 1745684), (149, 1452784), (202, 1071608), (232, 933038), (248, 872842), (298, 726392), (404, 535804), (464, 466519), (496, 436421), (596, 363196), (808, 267902), (899, 240784), (1192, 181598), (1616, 133951), (1798, 120392), (2384, 90799), (2929, 73904), (3131, 69136), (3596, 60196), (4321, 50096), (4619, 46864), (5858, 36952), (6262, 34568), (7192, 30098), (8642, 25048), (9238, 23432), (11716, 18476), (12524, 17284), (14384, 15049)]