65727025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 101493504

約数和(自身を除く): 35766479

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 167, 173, 175, 325, 455, 835, 865, 1169, 1211, 2171, 2249, 2275, 4175, 4325, 5845, 6055, 10855, 11245, 15197, 15743, 28891, 29225, 30275, 54275, 56225, 75985, 78715, 144455, 202237, 375583, 379925, 393575, 722275, 1011185, 1877915, 2629081, 5055925, 9389575, 13145405, 65727025]

約数ペア:

[(1, 65727025), (5, 13145405), (7, 9389575), (13, 5055925), (25, 2629081), (35, 1877915), (65, 1011185), (91, 722275), (167, 393575), (173, 379925), (175, 375583), (325, 202237), (455, 144455), (835, 78715), (865, 75985), (1169, 56225), (1211, 54275), (2171, 30275), (2249, 29225), (2275, 28891), (4175, 15743), (4325, 15197), (5845, 11245), (6055, 10855)]