22161475

素因数分解:

$5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:332

約数の個数: 36

約数和(自身を含む): 32512800

約数和(自身を除く): 10351325

約数列:

[1, 5, 7, 25, 35, 49, 79, 175, 229, 245, 395, 553, 1145, 1225, 1603, 1975, 2765, 3871, 5725, 8015, 11221, 13825, 18091, 19355, 40075, 56105, 90455, 96775, 126637, 280525, 452275, 633185, 886459, 3165925, 4432295, 22161475]

約数ペア:

[(1, 22161475), (5, 4432295), (7, 3165925), (25, 886459), (35, 633185), (49, 452275), (79, 280525), (175, 126637), (229, 96775), (245, 90455), (395, 56105), (553, 40075), (1145, 19355), (1225, 18091), (1603, 13825), (1975, 11221), (2765, 8015), (3871, 5725)]