31450870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4027}}^1$

素因数の和:4116

約数の個数: 32

約数和(自身を含む): 62643456

約数和(自身を除く): 31192586

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 4027, 7810, 8054, 20135, 40270, 44297, 88594, 221485, 285917, 442970, 571834, 1429585, 2859170, 3145087, 6290174, 15725435, 31450870]

約数ペア:

[(1, 31450870), (2, 15725435), (5, 6290174), (10, 3145087), (11, 2859170), (22, 1429585), (55, 571834), (71, 442970), (110, 285917), (142, 221485), (355, 88594), (710, 44297), (781, 40270), (1562, 20135), (3905, 8054), (4027, 7810)]