856543024

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{421}}^1\times {\mathrm{1259}}^1$

素因数の和:1789

約数の個数: 40

約数和(自身を含む): 1681298640

約数和(自身を除く): 824755616

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 421, 808, 842, 1259, 1616, 1684, 2518, 3368, 5036, 6736, 10072, 20144, 42521, 85042, 127159, 170084, 254318, 340168, 508636, 530039, 680336, 1017272, 1060078, 2034544, 2120156, 4240312, 8480624, 53533939, 107067878, 214135756, 428271512, 856543024]

約数ペア:

[(1, 856543024), (2, 428271512), (4, 214135756), (8, 107067878), (16, 53533939), (101, 8480624), (202, 4240312), (404, 2120156), (421, 2034544), (808, 1060078), (842, 1017272), (1259, 680336), (1616, 530039), (1684, 508636), (2518, 340168), (3368, 254318), (5036, 170084), (6736, 127159), (10072, 85042), (20144, 42521)]