73400405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 99456000

約数和(自身を除く): 26055595

約数列:

[1, 5, 13, 31, 65, 73, 155, 365, 403, 499, 949, 2015, 2263, 2495, 4745, 6487, 11315, 15469, 29419, 32435, 36427, 77345, 147095, 182135, 201097, 473551, 1005485, 1129237, 2367755, 5646185, 14680081, 73400405]

約数ペア:

[(1, 73400405), (5, 14680081), (13, 5646185), (31, 2367755), (65, 1129237), (73, 1005485), (155, 473551), (365, 201097), (403, 182135), (499, 147095), (949, 77345), (2015, 36427), (2263, 32435), (2495, 29419), (4745, 15469), (6487, 11315)]