7801147475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{1999}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 11035008000

約数和(自身を除く): 3233860525

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 617, 1265, 1999, 3085, 6325, 6787, 9995, 14191, 15425, 21989, 33935, 45977, 49975, 70955, 109945, 156101, 169675, 229885, 354775, 505747, 549725, 780505, 1149425, 1233383, 2528735, 3902525, 6166915, 12643675, 13567213, 28367809, 30834575, 67836065, 141839045, 312045899, 339180325, 709195225, 1560229495, 7801147475]

約数ペア:

[(1, 7801147475), (5, 1560229495), (11, 709195225), (23, 339180325), (25, 312045899), (55, 141839045), (115, 67836065), (253, 30834575), (275, 28367809), (575, 13567213), (617, 12643675), (1265, 6166915), (1999, 3902525), (3085, 2528735), (6325, 1233383), (6787, 1149425), (9995, 780505), (14191, 549725), (15425, 505747), (21989, 354775), (33935, 229885), (45977, 169675), (49975, 156101), (70955, 109945)]