1987260392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{406559}}^1$

素因数の和:406625

約数の個数: 32

約数和(自身を含む): 4098124800

約数和(自身を除く): 2110864408

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4888, 406559, 813118, 1626236, 3252472, 5285267, 10570534, 19108273, 21141068, 38216546, 42282136, 76433092, 152866184, 248407549, 496815098, 993630196, 1987260392]

約数ペア:

[(1, 1987260392), (2, 993630196), (4, 496815098), (8, 248407549), (13, 152866184), (26, 76433092), (47, 42282136), (52, 38216546), (94, 21141068), (104, 19108273), (188, 10570534), (376, 5285267), (611, 3252472), (1222, 1626236), (2444, 813118), (4888, 406559)]