81107130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207967}}^1$

素因数の和:207990

約数の個数: 32

約数和(自身を含む): 209631744

約数和(自身を除く): 128524614

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 207967, 415934, 623901, 1039835, 1247802, 2079670, 2703571, 3119505, 5407142, 6239010, 8110713, 13517855, 16221426, 27035710, 40553565, 81107130]

約数ペア:

[(1, 81107130), (2, 40553565), (3, 27035710), (5, 16221426), (6, 13517855), (10, 8110713), (13, 6239010), (15, 5407142), (26, 3119505), (30, 2703571), (39, 2079670), (65, 1247802), (78, 1039835), (130, 623901), (195, 415934), (390, 207967)]