71231875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:841

約数の個数: 40

約数和(自身を含む): 104703984

約数和(自身を除く): 33472109

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 625, 715, 797, 1375, 1625, 3575, 3985, 6875, 8125, 8767, 10361, 17875, 19925, 43835, 51805, 89375, 99625, 113971, 219175, 259025, 498125, 569855, 1095875, 1295125, 2849275, 5479375, 6475625, 14246375, 71231875]

約数ペア:

[(1, 71231875), (5, 14246375), (11, 6475625), (13, 5479375), (25, 2849275), (55, 1295125), (65, 1095875), (125, 569855), (143, 498125), (275, 259025), (325, 219175), (625, 113971), (715, 99625), (797, 89375), (1375, 51805), (1625, 43835), (3575, 19925), (3985, 17875), (6875, 10361), (8125, 8767)]