278850208

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3089}}^1$

素因数の和:3150

約数の個数: 96

約数和(自身を含む): 697697280

約数和(自身を除く): 418847072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 496, 728, 806, 868, 992, 1456, 1612, 1736, 2821, 2912, 3089, 3224, 3472, 5642, 6178, 6448, 6944, 11284, 12356, 12896, 21623, 22568, 24712, 40157, 43246, 45136, 49424, 80314, 86492, 90272, 95759, 98848, 160628, 172984, 191518, 281099, 321256, 345968, 383036, 562198, 642512, 670313, 691936, 766072, 1124396, 1244867, 1285024, 1340626, 1532144, 2248792, 2489734, 2681252, 3064288, 4497584, 4979468, 5362504, 8714069, 8995168, 9958936, 10725008, 17428138, 19917872, 21450016, 34856276, 39835744, 69712552, 139425104, 278850208]

約数ペア:

[(1, 278850208), (2, 139425104), (4, 69712552), (7, 39835744), (8, 34856276), (13, 21450016), (14, 19917872), (16, 17428138), (26, 10725008), (28, 9958936), (31, 8995168), (32, 8714069), (52, 5362504), (56, 4979468), (62, 4497584), (91, 3064288), (104, 2681252), (112, 2489734), (124, 2248792), (182, 1532144), (208, 1340626), (217, 1285024), (224, 1244867), (248, 1124396), (364, 766072), (403, 691936), (416, 670313), (434, 642512), (496, 562198), (728, 383036), (806, 345968), (868, 321256), (992, 281099), (1456, 191518), (1612, 172984), (1736, 160628), (2821, 98848), (2912, 95759), (3089, 90272), (3224, 86492), (3472, 80314), (5642, 49424), (6178, 45136), (6448, 43246), (6944, 40157), (11284, 24712), (12356, 22568), (12896, 21623)]