1778608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 3937248

約数和(自身を除く): 2158640

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 503, 884, 1006, 1768, 2012, 3536, 4024, 6539, 8048, 8551, 13078, 17102, 26156, 34204, 52312, 68408, 104624, 111163, 136816, 222326, 444652, 889304, 1778608]

約数ペア:

[(1, 1778608), (2, 889304), (4, 444652), (8, 222326), (13, 136816), (16, 111163), (17, 104624), (26, 68408), (34, 52312), (52, 34204), (68, 26156), (104, 17102), (136, 13078), (208, 8551), (221, 8048), (272, 6539), (442, 4024), (503, 3536), (884, 2012), (1006, 1768)]