28367388

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 84940800

約数和(自身を除く): 56573412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 157, 189, 239, 252, 314, 378, 471, 478, 628, 717, 756, 942, 956, 1099, 1413, 1434, 1673, 1884, 2151, 2198, 2826, 2868, 3297, 3346, 4239, 4302, 4396, 5019, 5652, 6453, 6594, 6692, 8478, 8604, 9891, 10038, 12906, 13188, 15057, 16956, 19782, 20076, 25812, 29673, 30114, 37523, 39564, 45171, 59346, 60228, 75046, 90342, 112569, 118692, 150092, 180684, 225138, 262661, 337707, 450276, 525322, 675414, 787983, 1013121, 1050644, 1350828, 1575966, 2026242, 2363949, 3151932, 4052484, 4727898, 7091847, 9455796, 14183694, 28367388]

約数ペア:

[(1, 28367388), (2, 14183694), (3, 9455796), (4, 7091847), (6, 4727898), (7, 4052484), (9, 3151932), (12, 2363949), (14, 2026242), (18, 1575966), (21, 1350828), (27, 1050644), (28, 1013121), (36, 787983), (42, 675414), (54, 525322), (63, 450276), (84, 337707), (108, 262661), (126, 225138), (157, 180684), (189, 150092), (239, 118692), (252, 112569), (314, 90342), (378, 75046), (471, 60228), (478, 59346), (628, 45171), (717, 39564), (756, 37523), (942, 30114), (956, 29673), (1099, 25812), (1413, 20076), (1434, 19782), (1673, 16956), (1884, 15057), (2151, 13188), (2198, 12906), (2826, 10038), (2868, 9891), (3297, 8604), (3346, 8478), (4239, 6692), (4302, 6594), (4396, 6453), (5019, 5652)]