249621455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 332978688

約数和(自身を除く): 83357233

約数列:

[1, 5, 17, 31, 61, 85, 155, 305, 527, 1037, 1553, 1891, 2635, 5185, 7765, 9455, 26401, 32147, 48143, 94733, 132005, 160735, 240715, 473665, 818431, 1610461, 2936723, 4092155, 8052305, 14683615, 49924291, 249621455]

約数ペア:

[(1, 249621455), (5, 49924291), (17, 14683615), (31, 8052305), (61, 4092155), (85, 2936723), (155, 1610461), (305, 818431), (527, 473665), (1037, 240715), (1553, 160735), (1891, 132005), (2635, 94733), (5185, 48143), (7765, 32147), (9455, 26401)]