81380192

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{977}}^1$

素因数の和:1143

約数の個数: 48

約数和(自身を含む): 170054640

約数和(自身を除く): 88674448

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 137, 152, 274, 304, 548, 608, 977, 1096, 1954, 2192, 2603, 3908, 4384, 5206, 7816, 10412, 15632, 18563, 20824, 31264, 37126, 41648, 74252, 83296, 133849, 148504, 267698, 297008, 535396, 594016, 1070792, 2141584, 2543131, 4283168, 5086262, 10172524, 20345048, 40690096, 81380192]

約数ペア:

[(1, 81380192), (2, 40690096), (4, 20345048), (8, 10172524), (16, 5086262), (19, 4283168), (32, 2543131), (38, 2141584), (76, 1070792), (137, 594016), (152, 535396), (274, 297008), (304, 267698), (548, 148504), (608, 133849), (977, 83296), (1096, 74252), (1954, 41648), (2192, 37126), (2603, 31264), (3908, 20824), (4384, 18563), (5206, 15632), (7816, 10412)]