156565655

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 199991808

約数和(自身を除く): 43426153

約数列:

[1, 5, 31, 73, 101, 137, 155, 365, 505, 685, 2263, 3131, 4247, 7373, 10001, 11315, 13837, 15655, 21235, 36865, 50005, 69185, 228563, 310031, 428947, 1010101, 1142815, 1550155, 2144735, 5050505, 31313131, 156565655]

約数ペア:

[(1, 156565655), (5, 31313131), (31, 5050505), (73, 2144735), (101, 1550155), (137, 1142815), (155, 1010101), (365, 428947), (505, 310031), (685, 228563), (2263, 69185), (3131, 50005), (4247, 36865), (7373, 21235), (10001, 15655), (11315, 13837)]