217957428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{465721}}^1$

素因数の和:465744

約数の個数: 36

約数和(自身を含む): 593329828

約数和(自身を除く): 375372400

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 465721, 931442, 1397163, 1862884, 2794326, 4191489, 5588652, 6054373, 8382978, 12108746, 16765956, 18163119, 24217492, 36326238, 54489357, 72652476, 108978714, 217957428]

約数ペア:

[(1, 217957428), (2, 108978714), (3, 72652476), (4, 54489357), (6, 36326238), (9, 24217492), (12, 18163119), (13, 16765956), (18, 12108746), (26, 8382978), (36, 6054373), (39, 5588652), (52, 4191489), (78, 2794326), (117, 1862884), (156, 1397163), (234, 931442), (468, 465721)]