251301376

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:343

約数の個数: 80

約数和(自身を含む): 527966208

約数和(自身を除く): 276664832

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 223, 248, 256, 284, 446, 496, 512, 568, 892, 992, 1136, 1784, 1984, 2201, 2272, 3568, 3968, 4402, 4544, 6913, 7136, 7936, 8804, 9088, 13826, 14272, 15833, 15872, 17608, 18176, 27652, 28544, 31666, 35216, 36352, 55304, 57088, 63332, 70432, 110608, 114176, 126664, 140864, 221216, 253328, 281728, 442432, 490823, 506656, 563456, 884864, 981646, 1013312, 1126912, 1769728, 1963292, 2026624, 3539456, 3926584, 4053248, 7853168, 8106496, 15706336, 31412672, 62825344, 125650688, 251301376]

約数ペア:

[(1, 251301376), (2, 125650688), (4, 62825344), (8, 31412672), (16, 15706336), (31, 8106496), (32, 7853168), (62, 4053248), (64, 3926584), (71, 3539456), (124, 2026624), (128, 1963292), (142, 1769728), (223, 1126912), (248, 1013312), (256, 981646), (284, 884864), (446, 563456), (496, 506656), (512, 490823), (568, 442432), (892, 281728), (992, 253328), (1136, 221216), (1784, 140864), (1984, 126664), (2201, 114176), (2272, 110608), (3568, 70432), (3968, 63332), (4402, 57088), (4544, 55304), (6913, 36352), (7136, 35216), (7936, 31666), (8804, 28544), (9088, 27652), (13826, 18176), (14272, 17608), (15833, 15872)]