28501278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15887}}^1$

素因数の和:15928

約数の個数: 32

約数和(自身を含む): 64060416

約数和(自身を除く): 35559138

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 15887, 31774, 47661, 95322, 206531, 365401, 413062, 619593, 730802, 1096203, 1239186, 2192406, 4750213, 9500426, 14250639, 28501278]

約数ペア:

[(1, 28501278), (2, 14250639), (3, 9500426), (6, 4750213), (13, 2192406), (23, 1239186), (26, 1096203), (39, 730802), (46, 619593), (69, 413062), (78, 365401), (138, 206531), (299, 95322), (598, 47661), (897, 31774), (1794, 15887)]