42665545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 58665600

約数和(自身を除く): 16000055

約数列:

[1, 5, 13, 19, 65, 95, 179, 193, 247, 895, 965, 1235, 2327, 2509, 3401, 3667, 11635, 12545, 17005, 18335, 34547, 44213, 47671, 172735, 221065, 238355, 449111, 656393, 2245555, 3281965, 8533109, 42665545]

約数ペア:

[(1, 42665545), (5, 8533109), (13, 3281965), (19, 2245555), (65, 656393), (95, 449111), (179, 238355), (193, 221065), (247, 172735), (895, 47671), (965, 44213), (1235, 34547), (2327, 18335), (2509, 17005), (3401, 12545), (3667, 11635)]