71347375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2776

約数の個数: 32

約数和(自身を含む): 102286080

約数和(自身を除く): 30938705

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 1045, 1375, 2375, 2731, 5225, 13655, 26125, 30041, 51889, 68275, 150205, 259445, 341375, 570779, 751025, 1297225, 2853895, 3755125, 6486125, 14269475, 71347375]

約数ペア:

[(1, 71347375), (5, 14269475), (11, 6486125), (19, 3755125), (25, 2853895), (55, 1297225), (95, 751025), (125, 570779), (209, 341375), (275, 259445), (475, 150205), (1045, 68275), (1375, 51889), (2375, 30041), (2731, 26125), (5225, 13655)]