645020285

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{1451}}^1$

素因数の和:2453

約数の個数: 32

約数和(自身を含む): 954277632

約数和(自身を除く): 309257347

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 977, 1451, 4885, 6839, 7255, 10157, 12701, 18863, 34195, 50785, 63505, 88907, 94315, 132041, 444535, 660205, 1417627, 7088135, 9923389, 18429151, 49616945, 92145755, 129004057, 645020285]

約数ペア:

[(1, 645020285), (5, 129004057), (7, 92145755), (13, 49616945), (35, 18429151), (65, 9923389), (91, 7088135), (455, 1417627), (977, 660205), (1451, 444535), (4885, 132041), (6839, 94315), (7255, 88907), (10157, 63505), (12701, 50785), (18863, 34195)]