251283555712

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1\times {\mathrm{4637}}^1$

素因数の和:6640

約数の個数: 128

約数和(自身を含む): 591004385280

約数和(自身を除く): 339720829568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1951, 1984, 3472, 3902, 3968, 4637, 6944, 7804, 9274, 13657, 13888, 15608, 18548, 27314, 27776, 31216, 32459, 37096, 54628, 60481, 62432, 64918, 74192, 109256, 120962, 124864, 129836, 143747, 148384, 218512, 241924, 249728, 259672, 287494, 296768, 423367, 437024, 483848, 519344, 574988, 593536, 846734, 874048, 967696, 1006229, 1038688, 1149976, 1693468, 1748096, 1935392, 2012458, 2077376, 2299952, 3386936, 3870784, 4024916, 4154752, 4599904, 6773872, 7741568, 8049832, 9046787, 9199808, 13547744, 16099664, 18093574, 18399616, 27095488, 32199328, 36187148, 54190976, 63327509, 64398656, 72374296, 126655018, 128797312, 144748592, 253310036, 280450397, 289497184, 506620072, 560900794, 578994368, 1013240144, 1121801588, 1157988736, 1963152779, 2026480288, 2243603176, 3926305558, 4052960576, 4487206352, 7852611116, 8105921152, 8974412704, 15705222232, 17948825408, 31410444464, 35897650816, 62820888928, 125641777856, 251283555712]

約数ペア:

[(1, 251283555712), (2, 125641777856), (4, 62820888928), (7, 35897650816), (8, 31410444464), (14, 17948825408), (16, 15705222232), (28, 8974412704), (31, 8105921152), (32, 7852611116), (56, 4487206352), (62, 4052960576), (64, 3926305558), (112, 2243603176), (124, 2026480288), (128, 1963152779), (217, 1157988736), (224, 1121801588), (248, 1013240144), (434, 578994368), (448, 560900794), (496, 506620072), (868, 289497184), (896, 280450397), (992, 253310036), (1736, 144748592), (1951, 128797312), (1984, 126655018), (3472, 72374296), (3902, 64398656), (3968, 63327509), (4637, 54190976), (6944, 36187148), (7804, 32199328), (9274, 27095488), (13657, 18399616), (13888, 18093574), (15608, 16099664), (18548, 13547744), (27314, 9199808), (27776, 9046787), (31216, 8049832), (32459, 7741568), (37096, 6773872), (54628, 4599904), (60481, 4154752), (62432, 4024916), (64918, 3870784), (74192, 3386936), (109256, 2299952), (120962, 2077376), (124864, 2012458), (129836, 1935392), (143747, 1748096), (148384, 1693468), (218512, 1149976), (241924, 1038688), (249728, 1006229), (259672, 967696), (287494, 874048), (296768, 846734), (423367, 593536), (437024, 574988), (483848, 519344)]