12765025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 20220928

約数和(自身を除く): 7455903

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 181, 217, 325, 403, 455, 775, 905, 1085, 1267, 2015, 2275, 2353, 2821, 4525, 5425, 5611, 6335, 10075, 11765, 14105, 16471, 28055, 31675, 39277, 58825, 70525, 72943, 82355, 140275, 196385, 364715, 411775, 510601, 981925, 1823575, 2553005, 12765025]

約数ペア:

[(1, 12765025), (5, 2553005), (7, 1823575), (13, 981925), (25, 510601), (31, 411775), (35, 364715), (65, 196385), (91, 140275), (155, 82355), (175, 72943), (181, 70525), (217, 58825), (325, 39277), (403, 31675), (455, 28055), (775, 16471), (905, 14105), (1085, 11765), (1267, 10075), (2015, 6335), (2275, 5611), (2353, 5425), (2821, 4525)]