71398145

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{773}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 111177360

約数和(自身を除く): 39779215

約数列:

[1, 5, 7, 13, 29, 35, 49, 65, 91, 145, 203, 245, 377, 455, 637, 773, 1015, 1421, 1885, 2639, 3185, 3865, 5411, 7105, 10049, 13195, 18473, 22417, 27055, 37877, 50245, 70343, 92365, 112085, 156919, 189385, 291421, 351715, 492401, 784595, 1098433, 1457105, 2039947, 2462005, 5492165, 10199735, 14279629, 71398145]

約数ペア:

[(1, 71398145), (5, 14279629), (7, 10199735), (13, 5492165), (29, 2462005), (35, 2039947), (49, 1457105), (65, 1098433), (91, 784595), (145, 492401), (203, 351715), (245, 291421), (377, 189385), (455, 156919), (637, 112085), (773, 92365), (1015, 70343), (1421, 50245), (1885, 37877), (2639, 27055), (3185, 22417), (3865, 18473), (5411, 13195), (7105, 10049)]