668388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 1823360

約数和(自身を除く): 1154972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 109, 146, 218, 219, 292, 327, 436, 438, 511, 654, 763, 876, 1022, 1308, 1526, 1533, 2044, 2289, 3052, 3066, 4578, 6132, 7957, 9156, 15914, 23871, 31828, 47742, 55699, 95484, 111398, 167097, 222796, 334194, 668388]

約数ペア:

[(1, 668388), (2, 334194), (3, 222796), (4, 167097), (6, 111398), (7, 95484), (12, 55699), (14, 47742), (21, 31828), (28, 23871), (42, 15914), (73, 9156), (84, 7957), (109, 6132), (146, 4578), (218, 3066), (219, 3052), (292, 2289), (327, 2044), (436, 1533), (438, 1526), (511, 1308), (654, 1022), (763, 876)]