215420088

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{690449}}^1$

素因数の和:690471

約数の個数: 32

約数和(自身を含む): 579978000

約数和(自身を除く): 364557912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 690449, 1380898, 2071347, 2761796, 4142694, 5523592, 8285388, 8975837, 16570776, 17951674, 26927511, 35903348, 53855022, 71806696, 107710044, 215420088]

約数ペア:

[(1, 215420088), (2, 107710044), (3, 71806696), (4, 53855022), (6, 35903348), (8, 26927511), (12, 17951674), (13, 16570776), (24, 8975837), (26, 8285388), (39, 5523592), (52, 4142694), (78, 2761796), (104, 2071347), (156, 1380898), (312, 690449)]