28751519690

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1361}}^1\times {\mathrm{19381}}^1$

素因数の和:20858

約数の個数: 32

約数和(自身を含む): 52268602320

約数和(自身を除く): 23517082630

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 1361, 2722, 6805, 13610, 19381, 38762, 96905, 148349, 193810, 296698, 741745, 1483490, 2112529, 4225058, 10562645, 21125290, 26377541, 52755082, 131887705, 263775410, 2875151969, 5750303938, 14375759845, 28751519690]

約数ペア:

[(1, 28751519690), (2, 14375759845), (5, 5750303938), (10, 2875151969), (109, 263775410), (218, 131887705), (545, 52755082), (1090, 26377541), (1361, 21125290), (2722, 10562645), (6805, 4225058), (13610, 2112529), (19381, 1483490), (38762, 741745), (96905, 296698), (148349, 193810)]