289508088

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{86783}}^1$

素因数の和:86931

約数の個数: 32

約数和(自身を含む): 728985600

約数和(自身を除く): 439477512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 86783, 173566, 260349, 347132, 520698, 694264, 1041396, 2082792, 12062837, 24125674, 36188511, 48251348, 72377022, 96502696, 144754044, 289508088]

約数ペア:

[(1, 289508088), (2, 144754044), (3, 96502696), (4, 72377022), (6, 48251348), (8, 36188511), (12, 24125674), (24, 12062837), (139, 2082792), (278, 1041396), (417, 694264), (556, 520698), (834, 347132), (1112, 260349), (1668, 173566), (3336, 86783)]