801007405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{1291}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 1088380800

約数和(自身を除く): 287373395

約数列:

[1, 5, 11, 29, 55, 145, 319, 389, 1291, 1595, 1945, 4279, 6455, 11281, 14201, 21395, 37439, 56405, 71005, 124091, 187195, 411829, 502199, 620455, 2059145, 2510995, 5524189, 14563771, 27620945, 72818855, 160201481, 801007405]

約数ペア:

[(1, 801007405), (5, 160201481), (11, 72818855), (29, 27620945), (55, 14563771), (145, 5524189), (319, 2510995), (389, 2059145), (1291, 620455), (1595, 502199), (1945, 411829), (4279, 187195), (6455, 124091), (11281, 71005), (14201, 56405), (21395, 37439)]