321996571

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^2$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 363378960

約数和(自身を除く): 41382389

約数列:

[1, 13, 53, 59, 89, 689, 767, 1157, 3127, 4717, 5251, 7921, 40651, 61321, 68263, 102973, 278303, 419813, 467339, 3617939, 5457569, 6075407, 24768967, 321996571]

約数ペア:

[(1, 321996571), (13, 24768967), (53, 6075407), (59, 5457569), (89, 3617939), (689, 467339), (767, 419813), (1157, 278303), (3127, 102973), (4717, 68263), (5251, 61321), (7921, 40651)]