2490139715

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{91331}}^1$

素因数の和:91403

約数の個数: 32

約数和(自身を含む): 3682506240

約数和(自身を除く): 1192366525

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 665, 779, 1435, 3895, 5453, 27265, 91331, 456655, 639317, 1735289, 3196585, 3744571, 8676445, 12147023, 18722855, 26211997, 60735115, 71146849, 131059985, 355734245, 498027943, 2490139715]

約数ペア:

[(1, 2490139715), (5, 498027943), (7, 355734245), (19, 131059985), (35, 71146849), (41, 60735115), (95, 26211997), (133, 18722855), (205, 12147023), (287, 8676445), (665, 3744571), (779, 3196585), (1435, 1735289), (3895, 639317), (5453, 456655), (27265, 91331)]