641073745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{821}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 852604704

約数和(自身を除く): 211530959

約数列:

[1, 5, 13, 41, 65, 205, 293, 533, 821, 1465, 2665, 3809, 4105, 10673, 12013, 19045, 33661, 53365, 60065, 156169, 168305, 240553, 437593, 780845, 1202765, 2187965, 3127189, 9862673, 15635945, 49313365, 128214749, 641073745]

約数ペア:

[(1, 641073745), (5, 128214749), (13, 49313365), (41, 15635945), (65, 9862673), (205, 3127189), (293, 2187965), (533, 1202765), (821, 780845), (1465, 437593), (2665, 240553), (3809, 168305), (4105, 156169), (10673, 60065), (12013, 53365), (19045, 33661)]