664067248

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{245587}}^1$

素因数の和:245621

約数の個数: 30

約数和(自身を含む): 1393220724

約数和(自身を除く): 729153476

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 245587, 491174, 982348, 1964696, 3192631, 3929392, 6385262, 12770524, 25541048, 41504203, 51082096, 83008406, 166016812, 332033624, 664067248]

約数ペア:

[(1, 664067248), (2, 332033624), (4, 166016812), (8, 83008406), (13, 51082096), (16, 41504203), (26, 25541048), (52, 12770524), (104, 6385262), (169, 3929392), (208, 3192631), (338, 1964696), (676, 982348), (1352, 491174), (2704, 245587)]