156964225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2782

約数の個数: 36

約数和(自身を含む): 225280720

約数和(自身を除く): 68316495

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 209, 275, 475, 605, 1045, 2299, 2731, 3025, 5225, 11495, 13655, 30041, 51889, 57475, 68275, 150205, 259445, 330451, 570779, 751025, 1297225, 1652255, 2853895, 6278569, 8261275, 14269475, 31392845, 156964225]

約数ペア:

[(1, 156964225), (5, 31392845), (11, 14269475), (19, 8261275), (25, 6278569), (55, 2853895), (95, 1652255), (121, 1297225), (209, 751025), (275, 570779), (475, 330451), (605, 259445), (1045, 150205), (2299, 68275), (2731, 57475), (3025, 51889), (5225, 30041), (11495, 13655)]