205302305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 276218880

約数和(自身を除く): 70916575

約数列:

[1, 5, 13, 31, 65, 139, 155, 403, 695, 733, 1807, 2015, 3665, 4309, 9035, 9529, 21545, 22723, 47645, 56017, 101887, 113615, 280085, 295399, 509435, 1324531, 1476995, 3158497, 6622655, 15792485, 41060461, 205302305]

約数ペア:

[(1, 205302305), (5, 41060461), (13, 15792485), (31, 6622655), (65, 3158497), (139, 1476995), (155, 1324531), (403, 509435), (695, 295399), (733, 280085), (1807, 113615), (2015, 101887), (3665, 56017), (4309, 47645), (9035, 22723), (9529, 21545)]