51508145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 70761600

約数和(自身を除く): 19253455

約数列:

[1, 5, 13, 19, 65, 95, 179, 233, 247, 895, 1165, 1235, 2327, 3029, 3401, 4427, 11635, 15145, 17005, 22135, 41707, 44213, 57551, 208535, 221065, 287755, 542191, 792433, 2710955, 3962165, 10301629, 51508145]

約数ペア:

[(1, 51508145), (5, 10301629), (13, 3962165), (19, 2710955), (65, 792433), (95, 542191), (179, 287755), (233, 221065), (247, 208535), (895, 57551), (1165, 44213), (1235, 41707), (2327, 22135), (3029, 17005), (3401, 15145), (4427, 11635)]