211328528

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:795

約数の個数: 40

約数和(自身を含む): 415222680

約数和(自身を除く): 203894152

約数列:

[1, 2, 4, 8, 16, 137, 229, 274, 421, 458, 548, 842, 916, 1096, 1684, 1832, 2192, 3368, 3664, 6736, 31373, 57677, 62746, 96409, 115354, 125492, 192818, 230708, 250984, 385636, 461416, 501968, 771272, 922832, 1542544, 13208033, 26416066, 52832132, 105664264, 211328528]

約数ペア:

[(1, 211328528), (2, 105664264), (4, 52832132), (8, 26416066), (16, 13208033), (137, 1542544), (229, 922832), (274, 771272), (421, 501968), (458, 461416), (548, 385636), (842, 250984), (916, 230708), (1096, 192818), (1684, 125492), (1832, 115354), (2192, 96409), (3368, 62746), (3664, 57677), (6736, 31373)]