425420801

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 502951680

約数和(自身を除く): 77530879

約数列:

[1, 13, 17, 43, 89, 221, 503, 559, 731, 1157, 1513, 3827, 6539, 8551, 9503, 19669, 21629, 44767, 49751, 65059, 111163, 281177, 367693, 581971, 761039, 845767, 1924981, 4780009, 9893507, 25024753, 32724677, 425420801]

約数ペア:

[(1, 425420801), (13, 32724677), (17, 25024753), (43, 9893507), (89, 4780009), (221, 1924981), (503, 845767), (559, 761039), (731, 581971), (1157, 367693), (1513, 281177), (3827, 111163), (6539, 65059), (8551, 49751), (9503, 44767), (19669, 21629)]