247357184

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 518031360

約数和(自身を除く): 270674176

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 248, 256, 284, 439, 496, 568, 878, 992, 1136, 1756, 1984, 2201, 2272, 3512, 3968, 4402, 4544, 7024, 7936, 8804, 9088, 13609, 14048, 17608, 18176, 27218, 28096, 31169, 35216, 54436, 56192, 62338, 70432, 108872, 112384, 124676, 140864, 217744, 249352, 281728, 435488, 498704, 563456, 870976, 966239, 997408, 1741952, 1932478, 1994816, 3483904, 3864956, 3989632, 7729912, 7979264, 15459824, 30919648, 61839296, 123678592, 247357184]

約数ペア:

[(1, 247357184), (2, 123678592), (4, 61839296), (8, 30919648), (16, 15459824), (31, 7979264), (32, 7729912), (62, 3989632), (64, 3864956), (71, 3483904), (124, 1994816), (128, 1932478), (142, 1741952), (248, 997408), (256, 966239), (284, 870976), (439, 563456), (496, 498704), (568, 435488), (878, 281728), (992, 249352), (1136, 217744), (1756, 140864), (1984, 124676), (2201, 112384), (2272, 108872), (3512, 70432), (3968, 62338), (4402, 56192), (4544, 54436), (7024, 35216), (7936, 31169), (8804, 28096), (9088, 27218), (13609, 18176), (14048, 17608)]