31828225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 48121920

約数和(自身を除く): 16293695

約数列:

[1, 5, 11, 13, 25, 29, 55, 65, 143, 145, 275, 307, 319, 325, 377, 715, 725, 1535, 1595, 1885, 3377, 3575, 3991, 4147, 7675, 7975, 8903, 9425, 16885, 19955, 20735, 43901, 44515, 84425, 97933, 99775, 103675, 115739, 219505, 222575, 489665, 578695, 1097525, 1273129, 2448325, 2893475, 6365645, 31828225]

約数ペア:

[(1, 31828225), (5, 6365645), (11, 2893475), (13, 2448325), (25, 1273129), (29, 1097525), (55, 578695), (65, 489665), (143, 222575), (145, 219505), (275, 115739), (307, 103675), (319, 99775), (325, 97933), (377, 84425), (715, 44515), (725, 43901), (1535, 20735), (1595, 19955), (1885, 16885), (3377, 9425), (3575, 8903), (3991, 7975), (4147, 7675)]