72895405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1471}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 103016448

約数和(自身を除く): 30121043

約数列:

[1, 5, 11, 17, 53, 55, 85, 187, 265, 583, 901, 935, 1471, 2915, 4505, 7355, 9911, 16181, 25007, 49555, 77963, 80905, 125035, 275077, 389815, 857593, 1325371, 1375385, 4287965, 6626855, 14579081, 72895405]

約数ペア:

[(1, 72895405), (5, 14579081), (11, 6626855), (17, 4287965), (53, 1375385), (55, 1325371), (85, 857593), (187, 389815), (265, 275077), (583, 125035), (901, 80905), (935, 77963), (1471, 49555), (2915, 25007), (4505, 16181), (7355, 9911)]