31526690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7823}}^1$

素因数の和:7874

約数の個数: 32

約数和(自身を含む): 63092736

約数和(自身を除く): 31566046

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7823, 15646, 39115, 78230, 101699, 203398, 242513, 485026, 508495, 1016990, 1212565, 2425130, 3152669, 6305338, 15763345, 31526690]

約数ペア:

[(1, 31526690), (2, 15763345), (5, 6305338), (10, 3152669), (13, 2425130), (26, 1212565), (31, 1016990), (62, 508495), (65, 485026), (130, 242513), (155, 203398), (310, 101699), (403, 78230), (806, 39115), (2015, 15646), (4030, 7823)]