278310084

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{2699}}^1$

素因数の和:3380

約数の個数: 48

約数和(自身を含む): 700660800

約数和(自身を除く): 422350716

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 661, 1322, 1983, 2644, 2699, 3966, 5398, 7932, 8097, 8593, 10796, 16194, 17186, 25779, 32388, 34372, 35087, 51558, 70174, 103116, 105261, 140348, 210522, 421044, 1784039, 3568078, 5352117, 7136156, 10704234, 21408468, 23192507, 46385014, 69577521, 92770028, 139155042, 278310084]

約数ペア:

[(1, 278310084), (2, 139155042), (3, 92770028), (4, 69577521), (6, 46385014), (12, 23192507), (13, 21408468), (26, 10704234), (39, 7136156), (52, 5352117), (78, 3568078), (156, 1784039), (661, 421044), (1322, 210522), (1983, 140348), (2644, 105261), (2699, 103116), (3966, 70174), (5398, 51558), (7932, 35087), (8097, 34372), (8593, 32388), (10796, 25779), (16194, 17186)]