51997530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{133327}}^1$

素因数の和:133350

約数の個数: 32

約数和(自身を含む): 134394624

約数和(自身を除く): 82397094

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 133327, 266654, 399981, 666635, 799962, 1333270, 1733251, 1999905, 3466502, 3999810, 5199753, 8666255, 10399506, 17332510, 25998765, 51997530]

約数ペア:

[(1, 51997530), (2, 25998765), (3, 17332510), (5, 10399506), (6, 8666255), (10, 5199753), (13, 3999810), (15, 3466502), (26, 1999905), (30, 1733251), (39, 1333270), (65, 799962), (78, 666635), (130, 399981), (195, 266654), (390, 133327)]