247060456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 508939200

約数和(自身を除く): 261878744

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 83, 86, 136, 166, 172, 332, 344, 509, 664, 731, 1018, 1411, 1462, 2036, 2822, 2924, 3569, 4072, 5644, 5848, 7138, 8653, 11288, 14276, 17306, 21887, 28552, 34612, 42247, 43774, 60673, 69224, 84494, 87548, 121346, 168988, 175096, 242692, 337976, 372079, 485384, 718199, 744158, 1436398, 1488316, 1816621, 2872796, 2976632, 3633242, 5745592, 7266484, 14532968, 30882557, 61765114, 123530228, 247060456]

約数ペア:

[(1, 247060456), (2, 123530228), (4, 61765114), (8, 30882557), (17, 14532968), (34, 7266484), (43, 5745592), (68, 3633242), (83, 2976632), (86, 2872796), (136, 1816621), (166, 1488316), (172, 1436398), (332, 744158), (344, 718199), (509, 485384), (664, 372079), (731, 337976), (1018, 242692), (1411, 175096), (1462, 168988), (2036, 121346), (2822, 87548), (2924, 84494), (3569, 69224), (4072, 60673), (5644, 43774), (5848, 42247), (7138, 34612), (8653, 28552), (11288, 21887), (14276, 17306)]