813789340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{447137}}^1$

素因数の和:447166

約数の個数: 48

約数和(自身を含む): 2103337152

約数和(自身を除く): 1289547812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 447137, 894274, 1788548, 2235685, 3129959, 4471370, 5812781, 6259918, 8942740, 11625562, 12519836, 15649795, 23251124, 29063905, 31299590, 40689467, 58127810, 62599180, 81378934, 116255620, 162757868, 203447335, 406894670, 813789340]

約数ペア:

[(1, 813789340), (2, 406894670), (4, 203447335), (5, 162757868), (7, 116255620), (10, 81378934), (13, 62599180), (14, 58127810), (20, 40689467), (26, 31299590), (28, 29063905), (35, 23251124), (52, 15649795), (65, 12519836), (70, 11625562), (91, 8942740), (130, 6259918), (140, 5812781), (182, 4471370), (260, 3129959), (364, 2235685), (455, 1788548), (910, 894274), (1820, 447137)]