388967930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{4027}}^1$

素因数の和:4790

約数の個数: 32

約数和(自身を含む): 755201664

約数和(自身を除く): 366233734

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 743, 1486, 3715, 4027, 7430, 8054, 9659, 19318, 20135, 40270, 48295, 52351, 96590, 104702, 261755, 523510, 2992061, 5984122, 14960305, 29920610, 38896793, 77793586, 194483965, 388967930]

約数ペア:

[(1, 388967930), (2, 194483965), (5, 77793586), (10, 38896793), (13, 29920610), (26, 14960305), (65, 5984122), (130, 2992061), (743, 523510), (1486, 261755), (3715, 104702), (4027, 96590), (7430, 52351), (8054, 48295), (9659, 40270), (19318, 20135)]