398307384

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{19687}}^1$

素因数の和:19980

約数の個数: 48

約数和(自身を含む): 1082643120

約数和(自身を除く): 684335736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 1124, 1686, 2248, 2529, 3372, 5058, 6744, 10116, 19687, 20232, 39374, 59061, 78748, 118122, 157496, 177183, 236244, 354366, 472488, 708732, 1417464, 5532047, 11064094, 16596141, 22128188, 33192282, 44256376, 49788423, 66384564, 99576846, 132769128, 199153692, 398307384]

約数ペア:

[(1, 398307384), (2, 199153692), (3, 132769128), (4, 99576846), (6, 66384564), (8, 49788423), (9, 44256376), (12, 33192282), (18, 22128188), (24, 16596141), (36, 11064094), (72, 5532047), (281, 1417464), (562, 708732), (843, 472488), (1124, 354366), (1686, 236244), (2248, 177183), (2529, 157496), (3372, 118122), (5058, 78748), (6744, 59061), (10116, 39374), (19687, 20232)]