278327868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{254879}}^1$

素因数の和:254906

約数の個数: 48

約数和(自身を含む): 799303680

約数和(自身を除く): 520975812

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 254879, 509758, 764637, 1019516, 1529274, 1784153, 3058548, 3313427, 3568306, 5352459, 6626854, 7136612, 9940281, 10704918, 13253708, 19880562, 21409836, 23193989, 39761124, 46387978, 69581967, 92775956, 139163934, 278327868]

約数ペア:

[(1, 278327868), (2, 139163934), (3, 92775956), (4, 69581967), (6, 46387978), (7, 39761124), (12, 23193989), (13, 21409836), (14, 19880562), (21, 13253708), (26, 10704918), (28, 9940281), (39, 7136612), (42, 6626854), (52, 5352459), (78, 3568306), (84, 3313427), (91, 3058548), (156, 1784153), (182, 1529274), (273, 1019516), (364, 764637), (546, 509758), (1092, 254879)]