216880468

素因数分解:

$2^2\times 7^2\times {\mathrm{331}}^1\times {\mathrm{3343}}^1$

素因数の和:3692

約数の個数: 36

約数和(自身を含む): 442972992

約数和(自身を除く): 226092524

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 331, 662, 1324, 2317, 3343, 4634, 6686, 9268, 13372, 16219, 23401, 32438, 46802, 64876, 93604, 163807, 327614, 655228, 1106533, 2213066, 4426132, 7745731, 15491462, 30982924, 54220117, 108440234, 216880468]

約数ペア:

[(1, 216880468), (2, 108440234), (4, 54220117), (7, 30982924), (14, 15491462), (28, 7745731), (49, 4426132), (98, 2213066), (196, 1106533), (331, 655228), (662, 327614), (1324, 163807), (2317, 93604), (3343, 64876), (4634, 46802), (6686, 32438), (9268, 23401), (13372, 16219)]