331047470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{87811}}^1$

素因数の和:87860

約数の個数: 32

約数和(自身を含む): 663858720

約数和(自身を除く): 332811250

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 87811, 175622, 439055, 878110, 1141543, 2283086, 2546519, 5093038, 5707715, 11415430, 12732595, 25465190, 33104747, 66209494, 165523735, 331047470]

約数ペア:

[(1, 331047470), (2, 165523735), (5, 66209494), (10, 33104747), (13, 25465190), (26, 12732595), (29, 11415430), (58, 5707715), (65, 5093038), (130, 2546519), (145, 2283086), (290, 1141543), (377, 878110), (754, 439055), (1885, 175622), (3770, 87811)]