287971994

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1\times {\mathrm{1319}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 435473280

約数和(自身を除く): 147501286

約数列:

[1, 2, 173, 346, 631, 1262, 1319, 2638, 109163, 218326, 228187, 456374, 832289, 1664578, 143985997, 287971994]

約数ペア:

[(1, 287971994), (2, 143985997), (173, 1664578), (346, 832289), (631, 456374), (1262, 228187), (1319, 218326), (2638, 109163)]