16163875

素因数分解:

$5^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 64

約数和(自身を含む): 26208000

約数和(自身を除く): 10044125

約数列:

[1, 5, 7, 13, 25, 29, 35, 49, 65, 91, 125, 145, 175, 203, 245, 325, 343, 377, 455, 637, 725, 875, 1015, 1225, 1421, 1625, 1715, 1885, 2275, 2639, 3185, 3625, 4459, 5075, 6125, 7105, 8575, 9425, 9947, 11375, 13195, 15925, 18473, 22295, 25375, 35525, 42875, 47125, 49735, 65975, 79625, 92365, 111475, 129311, 177625, 248675, 329875, 461825, 557375, 646555, 1243375, 2309125, 3232775, 16163875]

約数ペア:

[(1, 16163875), (5, 3232775), (7, 2309125), (13, 1243375), (25, 646555), (29, 557375), (35, 461825), (49, 329875), (65, 248675), (91, 177625), (125, 129311), (145, 111475), (175, 92365), (203, 79625), (245, 65975), (325, 49735), (343, 47125), (377, 42875), (455, 35525), (637, 25375), (725, 22295), (875, 18473), (1015, 15925), (1225, 13195), (1421, 11375), (1625, 9947), (1715, 9425), (1885, 8575), (2275, 7105), (2639, 6125), (3185, 5075), (3625, 4459)]