251023864

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 612864000

約数和(自身を除く): 361840136

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 124, 182, 196, 217, 227, 248, 343, 364, 392, 403, 434, 454, 637, 686, 728, 806, 868, 908, 1274, 1372, 1519, 1589, 1612, 1736, 1816, 2548, 2744, 2821, 2951, 3038, 3178, 3224, 4459, 5096, 5642, 5902, 6076, 6356, 7037, 8918, 10633, 11123, 11284, 11804, 12152, 12712, 14074, 17836, 19747, 20657, 21266, 22246, 22568, 23608, 28148, 35672, 39494, 41314, 42532, 44492, 49259, 56296, 77861, 78988, 82628, 85064, 88984, 91481, 98518, 138229, 144599, 155722, 157976, 165256, 182962, 197036, 276458, 289198, 311444, 344813, 365924, 394072, 552916, 578396, 622888, 640367, 689626, 731848, 1012193, 1105832, 1156792, 1280734, 1379252, 2024386, 2413691, 2561468, 2758504, 4048772, 4482569, 4827382, 5122936, 8097544, 8965138, 9654764, 17930276, 19309528, 31377983, 35860552, 62755966, 125511932, 251023864]

約数ペア:

[(1, 251023864), (2, 125511932), (4, 62755966), (7, 35860552), (8, 31377983), (13, 19309528), (14, 17930276), (26, 9654764), (28, 8965138), (31, 8097544), (49, 5122936), (52, 4827382), (56, 4482569), (62, 4048772), (91, 2758504), (98, 2561468), (104, 2413691), (124, 2024386), (182, 1379252), (196, 1280734), (217, 1156792), (227, 1105832), (248, 1012193), (343, 731848), (364, 689626), (392, 640367), (403, 622888), (434, 578396), (454, 552916), (637, 394072), (686, 365924), (728, 344813), (806, 311444), (868, 289198), (908, 276458), (1274, 197036), (1372, 182962), (1519, 165256), (1589, 157976), (1612, 155722), (1736, 144599), (1816, 138229), (2548, 98518), (2744, 91481), (2821, 88984), (2951, 85064), (3038, 82628), (3178, 78988), (3224, 77861), (4459, 56296), (5096, 49259), (5642, 44492), (5902, 42532), (6076, 41314), (6356, 39494), (7037, 35672), (8918, 28148), (10633, 23608), (11123, 22568), (11284, 22246), (11804, 21266), (12152, 20657), (12712, 19747), (14074, 17836)]