30919648

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 63866880

約数和(自身を除く): 32947232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 71, 124, 142, 248, 284, 439, 496, 568, 878, 992, 1136, 1756, 2201, 2272, 3512, 4402, 7024, 8804, 13609, 14048, 17608, 27218, 31169, 35216, 54436, 62338, 70432, 108872, 124676, 217744, 249352, 435488, 498704, 966239, 997408, 1932478, 3864956, 7729912, 15459824, 30919648]

約数ペア:

[(1, 30919648), (2, 15459824), (4, 7729912), (8, 3864956), (16, 1932478), (31, 997408), (32, 966239), (62, 498704), (71, 435488), (124, 249352), (142, 217744), (248, 124676), (284, 108872), (439, 70432), (496, 62338), (568, 54436), (878, 35216), (992, 31169), (1136, 27218), (1756, 17608), (2201, 14048), (2272, 13609), (3512, 8804), (4402, 7024)]