31398866

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 50561280

約数和(自身を除く): 19162414

約数列:

[1, 2, 37, 41, 74, 79, 82, 131, 158, 262, 1517, 2923, 3034, 3239, 4847, 5371, 5846, 6478, 9694, 10349, 10742, 20698, 119843, 198727, 239686, 382913, 397454, 424309, 765826, 848618, 15699433, 31398866]

約数ペア:

[(1, 31398866), (2, 15699433), (37, 848618), (41, 765826), (74, 424309), (79, 397454), (82, 382913), (131, 239686), (158, 198727), (262, 119843), (1517, 20698), (2923, 10742), (3034, 10349), (3239, 9694), (4847, 6478), (5371, 5846)]