28106416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{829}}^1$

素因数の和:1013

約数の個数: 40

約数和(自身を含む): 59076080

約数和(自身を除く): 30969664

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 652, 829, 1304, 1658, 2119, 2608, 3316, 4238, 6632, 8476, 10777, 13264, 16952, 21554, 33904, 43108, 86216, 135127, 172432, 270254, 540508, 1081016, 1756651, 2162032, 3513302, 7026604, 14053208, 28106416]

約数ペア:

[(1, 28106416), (2, 14053208), (4, 7026604), (8, 3513302), (13, 2162032), (16, 1756651), (26, 1081016), (52, 540508), (104, 270254), (163, 172432), (208, 135127), (326, 86216), (652, 43108), (829, 33904), (1304, 21554), (1658, 16952), (2119, 13264), (2608, 10777), (3316, 8476), (4238, 6632)]