259523072

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 80

約数和(自身を含む): 544465152

約数和(自身を除く): 284942080

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 128, 166, 197, 248, 256, 332, 394, 496, 512, 664, 788, 992, 1328, 1576, 1984, 2573, 2656, 3152, 3968, 5146, 5312, 6107, 6304, 7936, 10292, 10624, 12214, 12608, 15872, 16351, 20584, 21248, 24428, 25216, 32702, 41168, 42496, 48856, 50432, 65404, 82336, 97712, 100864, 130808, 164672, 195424, 261616, 329344, 390848, 506881, 523232, 658688, 781696, 1013762, 1046464, 1317376, 1563392, 2027524, 2092928, 3126784, 4055048, 4185856, 8110096, 8371712, 16220192, 32440384, 64880768, 129761536, 259523072]

約数ペア:

[(1, 259523072), (2, 129761536), (4, 64880768), (8, 32440384), (16, 16220192), (31, 8371712), (32, 8110096), (62, 4185856), (64, 4055048), (83, 3126784), (124, 2092928), (128, 2027524), (166, 1563392), (197, 1317376), (248, 1046464), (256, 1013762), (332, 781696), (394, 658688), (496, 523232), (512, 506881), (664, 390848), (788, 329344), (992, 261616), (1328, 195424), (1576, 164672), (1984, 130808), (2573, 100864), (2656, 97712), (3152, 82336), (3968, 65404), (5146, 50432), (5312, 48856), (6107, 42496), (6304, 41168), (7936, 32702), (10292, 25216), (10624, 24428), (12214, 21248), (12608, 20584), (15872, 16351)]