87899396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 178516800

約数和(自身を除く): 90617404

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 817, 988, 1118, 1634, 2069, 2236, 3268, 4138, 8276, 10621, 21242, 26897, 39311, 42484, 53794, 78622, 88967, 107588, 157244, 177934, 355868, 511043, 1022086, 1156571, 1690373, 2044172, 2313142, 3380746, 4626284, 6761492, 21974849, 43949698, 87899396]

約数ペア:

[(1, 87899396), (2, 43949698), (4, 21974849), (13, 6761492), (19, 4626284), (26, 3380746), (38, 2313142), (43, 2044172), (52, 1690373), (76, 1156571), (86, 1022086), (172, 511043), (247, 355868), (494, 177934), (559, 157244), (817, 107588), (988, 88967), (1118, 78622), (1634, 53794), (2069, 42484), (2236, 39311), (3268, 26897), (4138, 21242), (8276, 10621)]