28916615

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1336

約数の個数: 32

約数和(自身を含む): 43612800

約数和(自身を除く): 14696185

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 455, 637, 1297, 1715, 3185, 4459, 6485, 9079, 16861, 22295, 45395, 63553, 84305, 118027, 317765, 444871, 590135, 826189, 2224355, 4130945, 5783323, 28916615]

約数ペア:

[(1, 28916615), (5, 5783323), (7, 4130945), (13, 2224355), (35, 826189), (49, 590135), (65, 444871), (91, 317765), (245, 118027), (343, 84305), (455, 63553), (637, 45395), (1297, 22295), (1715, 16861), (3185, 9079), (4459, 6485)]