238972890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{612751}}^1$

素因数の和:612774

約数の個数: 32

約数和(自身を含む): 617654016

約数和(自身を除く): 378681126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 612751, 1225502, 1838253, 3063755, 3676506, 6127510, 7965763, 9191265, 15931526, 18382530, 23897289, 39828815, 47794578, 79657630, 119486445, 238972890]

約数ペア:

[(1, 238972890), (2, 119486445), (3, 79657630), (5, 47794578), (6, 39828815), (10, 23897289), (13, 18382530), (15, 15931526), (26, 9191265), (30, 7965763), (39, 6127510), (65, 3676506), (78, 3063755), (130, 1838253), (195, 1225502), (390, 612751)]