279874238

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{1087}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 490696704

約数和(自身を除く): 210822466

約数列:

[1, 2, 7, 14, 53, 106, 347, 371, 694, 742, 1087, 2174, 2429, 4858, 7609, 15218, 18391, 36782, 57611, 115222, 128737, 257474, 377189, 403277, 754378, 806554, 2640323, 5280646, 19991017, 39982034, 139937119, 279874238]

約数ペア:

[(1, 279874238), (2, 139937119), (7, 39982034), (14, 19991017), (53, 5280646), (106, 2640323), (347, 806554), (371, 754378), (694, 403277), (742, 377189), (1087, 257474), (2174, 128737), (2429, 115222), (4858, 57611), (7609, 36782), (15218, 18391)]