71036875

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1289

約数の個数: 40

約数和(自身を含む): 109340000

約数和(自身を除く): 38303125

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 875, 1249, 1625, 2275, 4375, 6245, 8125, 8743, 11375, 16237, 31225, 43715, 56875, 81185, 113659, 156125, 218575, 405925, 568295, 780625, 1092875, 2029625, 2841475, 5464375, 10148125, 14207375, 71036875]

約数ペア:

[(1, 71036875), (5, 14207375), (7, 10148125), (13, 5464375), (25, 2841475), (35, 2029625), (65, 1092875), (91, 780625), (125, 568295), (175, 405925), (325, 218575), (455, 156125), (625, 113659), (875, 81185), (1249, 56875), (1625, 43715), (2275, 31225), (4375, 16237), (6245, 11375), (8125, 8743)]