27638416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1493}}^1$

素因数の和:1603

約数の個数: 40

約数和(自身を含む): 58355640

約数和(自身を除く): 30717224

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 1493, 2314, 2986, 4628, 5972, 9256, 11944, 18512, 19409, 23888, 38818, 77636, 132877, 155272, 265754, 310544, 531508, 1063016, 1727401, 2126032, 3454802, 6909604, 13819208, 27638416]

約数ペア:

[(1, 27638416), (2, 13819208), (4, 6909604), (8, 3454802), (13, 2126032), (16, 1727401), (26, 1063016), (52, 531508), (89, 310544), (104, 265754), (178, 155272), (208, 132877), (356, 77636), (712, 38818), (1157, 23888), (1424, 19409), (1493, 18512), (2314, 11944), (2986, 9256), (4628, 5972)]