81385032

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21599}}^1$

素因数の和:21765

約数の個数: 32

約数和(自身を含む): 204768000

約数和(自身を除く): 123382968

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 21599, 43198, 64797, 86396, 129594, 172792, 259188, 518376, 3391043, 6782086, 10173129, 13564172, 20346258, 27128344, 40692516, 81385032]

約数ペア:

[(1, 81385032), (2, 40692516), (3, 27128344), (4, 20346258), (6, 13564172), (8, 10173129), (12, 6782086), (24, 3391043), (157, 518376), (314, 259188), (471, 172792), (628, 129594), (942, 86396), (1256, 64797), (1884, 43198), (3768, 21599)]