664887506

素因数分解:

$2^1\times {\mathrm{641}}^1\times {\mathrm{659}}^1\times {\mathrm{787}}^1$

素因数の和:2089

約数の個数: 16

約数和(自身を含む): 1001674080

約数和(自身を除く): 336786574

約数列:

[1, 2, 641, 659, 787, 1282, 1318, 1574, 422419, 504467, 518633, 844838, 1008934, 1037266, 332443753, 664887506]

約数ペア:

[(1, 664887506), (2, 332443753), (641, 1037266), (659, 1008934), (787, 844838), (1282, 518633), (1318, 504467), (1574, 422419)]