918490872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{21179}}^1$

素因数の和:21340

約数の個数: 64

約数和(自身を含む): 2490768000

約数和(自身を除く): 1572277128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 139, 156, 278, 312, 417, 556, 834, 1112, 1668, 1807, 3336, 3614, 5421, 7228, 10842, 14456, 21179, 21684, 42358, 43368, 63537, 84716, 127074, 169432, 254148, 275327, 508296, 550654, 825981, 1101308, 1651962, 2202616, 2943881, 3303924, 5887762, 6607848, 8831643, 11775524, 17663286, 23551048, 35326572, 38270453, 70653144, 76540906, 114811359, 153081812, 229622718, 306163624, 459245436, 918490872]

約数ペア:

[(1, 918490872), (2, 459245436), (3, 306163624), (4, 229622718), (6, 153081812), (8, 114811359), (12, 76540906), (13, 70653144), (24, 38270453), (26, 35326572), (39, 23551048), (52, 17663286), (78, 11775524), (104, 8831643), (139, 6607848), (156, 5887762), (278, 3303924), (312, 2943881), (417, 2202616), (556, 1651962), (834, 1101308), (1112, 825981), (1668, 550654), (1807, 508296), (3336, 275327), (3614, 254148), (5421, 169432), (7228, 127074), (10842, 84716), (14456, 63537), (21179, 43368), (21684, 42358)]