81076325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 117849600

約数和(自身を除く): 36773275

約数列:

[1, 5, 11, 19, 25, 55, 59, 95, 209, 263, 275, 295, 475, 649, 1045, 1121, 1315, 1475, 2893, 3245, 4997, 5225, 5605, 6575, 12331, 14465, 15517, 16225, 24985, 28025, 54967, 61655, 72325, 77585, 124925, 170687, 274835, 294823, 308275, 387925, 853435, 1374175, 1474115, 3243053, 4267175, 7370575, 16215265, 81076325]

約数ペア:

[(1, 81076325), (5, 16215265), (11, 7370575), (19, 4267175), (25, 3243053), (55, 1474115), (59, 1374175), (95, 853435), (209, 387925), (263, 308275), (275, 294823), (295, 274835), (475, 170687), (649, 124925), (1045, 77585), (1121, 72325), (1315, 61655), (1475, 54967), (2893, 28025), (3245, 24985), (4997, 16225), (5225, 15517), (5605, 14465), (6575, 12331)]