51421825

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3229}}^1$

素因数の和:3266

約数の個数: 36

約数和(自身を含む): 79903740

約数和(自身を除く): 28481915

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 1225, 2275, 3185, 3229, 15925, 16145, 22603, 41977, 80725, 113015, 158221, 209885, 293839, 565075, 791105, 1049425, 1469195, 2056873, 3955525, 7345975, 10284365, 51421825]

約数ペア:

[(1, 51421825), (5, 10284365), (7, 7345975), (13, 3955525), (25, 2056873), (35, 1469195), (49, 1049425), (65, 791105), (91, 565075), (175, 293839), (245, 209885), (325, 158221), (455, 113015), (637, 80725), (1225, 41977), (2275, 22603), (3185, 16145), (3229, 15925)]