79487530

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 145282896

約数和(自身を除く): 65795366

約数列:

[1, 2, 5, 10, 157, 197, 257, 314, 394, 514, 785, 985, 1285, 1570, 1970, 2570, 30929, 40349, 50629, 61858, 80698, 101258, 154645, 201745, 253145, 309290, 403490, 506290, 7948753, 15897506, 39743765, 79487530]

約数ペア:

[(1, 79487530), (2, 39743765), (5, 15897506), (10, 7948753), (157, 506290), (197, 403490), (257, 309290), (314, 253145), (394, 201745), (514, 154645), (785, 101258), (985, 80698), (1285, 61858), (1570, 50629), (1970, 40349), (2570, 30929)]