28917850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2617}}^1$

素因数の和:2659

約数の個数: 48

約数和(自身を含む): 61355448

約数和(自身を除く): 32437598

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 2617, 5234, 5525, 11050, 13085, 26170, 34021, 44489, 65425, 68042, 88978, 130850, 170105, 222445, 340210, 444890, 578357, 850525, 1112225, 1156714, 1701050, 2224450, 2891785, 5783570, 14458925, 28917850]

約数ペア:

[(1, 28917850), (2, 14458925), (5, 5783570), (10, 2891785), (13, 2224450), (17, 1701050), (25, 1156714), (26, 1112225), (34, 850525), (50, 578357), (65, 444890), (85, 340210), (130, 222445), (170, 170105), (221, 130850), (325, 88978), (425, 68042), (442, 65425), (650, 44489), (850, 34021), (1105, 26170), (2210, 13085), (2617, 11050), (5234, 5525)]