77987130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199967}}^1$

素因数の和:199990

約数の個数: 32

約数和(自身を含む): 201567744

約数和(自身を除く): 123580614

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 199967, 399934, 599901, 999835, 1199802, 1999670, 2599571, 2999505, 5199142, 5999010, 7798713, 12997855, 15597426, 25995710, 38993565, 77987130]

約数ペア:

[(1, 77987130), (2, 38993565), (3, 25995710), (5, 15597426), (6, 12997855), (10, 7798713), (13, 5999010), (15, 5199142), (26, 2999505), (30, 2599571), (39, 1999670), (65, 1199802), (78, 999835), (130, 599901), (195, 399934), (390, 199967)]