28636790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31469}}^1$

素因数の和:31496

約数の個数: 32

約数和(自身を含む): 63443520

約数和(自身を除く): 34806730

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31469, 62938, 157345, 220283, 314690, 409097, 440566, 818194, 1101415, 2045485, 2202830, 2863679, 4090970, 5727358, 14318395, 28636790]

約数ペア:

[(1, 28636790), (2, 14318395), (5, 5727358), (7, 4090970), (10, 2863679), (13, 2202830), (14, 2045485), (26, 1101415), (35, 818194), (65, 440566), (70, 409097), (91, 314690), (130, 220283), (182, 157345), (455, 62938), (910, 31469)]