278817864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2251}}^1$

素因数の和:2670

約数の個数: 64

約数和(自身を含む): 752888640

約数和(自身を除く): 474070776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 397, 794, 1191, 1588, 2251, 2382, 3176, 4502, 4764, 5161, 6753, 9004, 9528, 10322, 13506, 15483, 18008, 20644, 27012, 29263, 30966, 41288, 54024, 58526, 61932, 87789, 117052, 123864, 175578, 234104, 351156, 702312, 893647, 1787294, 2680941, 3574588, 5361882, 7149176, 10723764, 11617411, 21447528, 23234822, 34852233, 46469644, 69704466, 92939288, 139408932, 278817864]

約数ペア:

[(1, 278817864), (2, 139408932), (3, 92939288), (4, 69704466), (6, 46469644), (8, 34852233), (12, 23234822), (13, 21447528), (24, 11617411), (26, 10723764), (39, 7149176), (52, 5361882), (78, 3574588), (104, 2680941), (156, 1787294), (312, 893647), (397, 702312), (794, 351156), (1191, 234104), (1588, 175578), (2251, 123864), (2382, 117052), (3176, 87789), (4502, 61932), (4764, 58526), (5161, 54024), (6753, 41288), (9004, 30966), (9528, 29263), (10322, 27012), (13506, 20644), (15483, 18008)]