664861488

素因数分解:

$2^4\times 3^1\times {\mathrm{443}}^1\times {\mathrm{31267}}^1$

素因数の和:31721

約数の個数: 40

約数和(自身を含む): 1721491008

約数和(自身を除く): 1056629520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443, 886, 1329, 1772, 2658, 3544, 5316, 7088, 10632, 21264, 31267, 62534, 93801, 125068, 187602, 250136, 375204, 500272, 750408, 1500816, 13851281, 27702562, 41553843, 55405124, 83107686, 110810248, 166215372, 221620496, 332430744, 664861488]

約数ペア:

[(1, 664861488), (2, 332430744), (3, 221620496), (4, 166215372), (6, 110810248), (8, 83107686), (12, 55405124), (16, 41553843), (24, 27702562), (48, 13851281), (443, 1500816), (886, 750408), (1329, 500272), (1772, 375204), (2658, 250136), (3544, 187602), (5316, 125068), (7088, 93801), (10632, 62534), (21264, 31267)]