281061872

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 120

約数和(自身を含む): 697098240

約数和(自身を除く): 416036368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 169, 182, 208, 217, 248, 338, 364, 403, 434, 479, 496, 676, 728, 806, 868, 958, 1183, 1352, 1456, 1612, 1736, 1916, 2366, 2704, 2821, 3224, 3353, 3472, 3832, 4732, 5239, 5642, 6227, 6448, 6706, 7664, 9464, 10478, 11284, 12454, 13412, 14849, 18928, 20956, 22568, 24908, 26824, 29698, 36673, 41912, 43589, 45136, 49816, 53648, 59396, 73346, 80951, 83824, 87178, 99632, 103943, 118792, 146692, 161902, 174356, 193037, 207886, 237584, 293384, 323804, 348712, 386074, 415772, 566657, 586768, 647608, 697424, 772148, 831544, 1133314, 1295216, 1351259, 1544296, 1663088, 2266628, 2509481, 2702518, 3088592, 4533256, 5018962, 5405036, 9066512, 10037924, 10810072, 17566367, 20075848, 21620144, 35132734, 40151696, 70265468, 140530936, 281061872]

約数ペア:

[(1, 281061872), (2, 140530936), (4, 70265468), (7, 40151696), (8, 35132734), (13, 21620144), (14, 20075848), (16, 17566367), (26, 10810072), (28, 10037924), (31, 9066512), (52, 5405036), (56, 5018962), (62, 4533256), (91, 3088592), (104, 2702518), (112, 2509481), (124, 2266628), (169, 1663088), (182, 1544296), (208, 1351259), (217, 1295216), (248, 1133314), (338, 831544), (364, 772148), (403, 697424), (434, 647608), (479, 586768), (496, 566657), (676, 415772), (728, 386074), (806, 348712), (868, 323804), (958, 293384), (1183, 237584), (1352, 207886), (1456, 193037), (1612, 174356), (1736, 161902), (1916, 146692), (2366, 118792), (2704, 103943), (2821, 99632), (3224, 87178), (3353, 83824), (3472, 80951), (3832, 73346), (4732, 59396), (5239, 53648), (5642, 49816), (6227, 45136), (6448, 43589), (6706, 41912), (7664, 36673), (9464, 29698), (10478, 26824), (11284, 24908), (12454, 22568), (13412, 20956), (14849, 18928)]