13129025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 20832000

約数和(自身を除く): 7702975

約数列:

[1, 5, 7, 13, 25, 29, 35, 65, 91, 145, 175, 199, 203, 325, 377, 455, 725, 995, 1015, 1393, 1885, 2275, 2587, 2639, 4975, 5075, 5771, 6965, 9425, 12935, 13195, 18109, 28855, 34825, 40397, 64675, 65975, 75023, 90545, 144275, 201985, 375115, 452725, 525161, 1009925, 1875575, 2625805, 13129025]

約数ペア:

[(1, 13129025), (5, 2625805), (7, 1875575), (13, 1009925), (25, 525161), (29, 452725), (35, 375115), (65, 201985), (91, 144275), (145, 90545), (175, 75023), (199, 65975), (203, 64675), (325, 40397), (377, 34825), (455, 28855), (725, 18109), (995, 13195), (1015, 12935), (1393, 9425), (1885, 6965), (2275, 5771), (2587, 5075), (2639, 4975)]