7728175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 12221440

約数和(自身を除く): 4493265

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 79, 91, 175, 215, 301, 325, 395, 455, 553, 559, 1027, 1075, 1505, 1975, 2275, 2765, 2795, 3397, 3913, 5135, 7189, 7525, 13825, 13975, 16985, 19565, 23779, 25675, 35945, 44161, 84925, 97825, 118895, 179725, 220805, 309127, 594475, 1104025, 1545635, 7728175]

約数ペア:

[(1, 7728175), (5, 1545635), (7, 1104025), (13, 594475), (25, 309127), (35, 220805), (43, 179725), (65, 118895), (79, 97825), (91, 84925), (175, 44161), (215, 35945), (301, 25675), (325, 23779), (395, 19565), (455, 16985), (553, 13975), (559, 13825), (1027, 7525), (1075, 7189), (1505, 5135), (1975, 3913), (2275, 3397), (2765, 2795)]