7819890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20051}}^1$

素因数の和:20074

約数の個数: 32

約数和(自身を含む): 20212416

約数和(自身を除く): 12392526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20051, 40102, 60153, 100255, 120306, 200510, 260663, 300765, 521326, 601530, 781989, 1303315, 1563978, 2606630, 3909945, 7819890]

約数ペア:

[(1, 7819890), (2, 3909945), (3, 2606630), (5, 1563978), (6, 1303315), (10, 781989), (13, 601530), (15, 521326), (26, 300765), (30, 260663), (39, 200510), (65, 120306), (78, 100255), (130, 60153), (195, 40102), (390, 20051)]