31116262

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 51004800

約数和(自身を除く): 19888538

約数列:

[1, 2, 19, 38, 43, 86, 137, 139, 274, 278, 817, 1634, 2603, 2641, 5206, 5282, 5891, 5977, 11782, 11954, 19043, 38086, 111929, 113563, 223858, 227126, 361817, 723634, 818849, 1637698, 15558131, 31116262]

約数ペア:

[(1, 31116262), (2, 15558131), (19, 1637698), (38, 818849), (43, 723634), (86, 361817), (137, 227126), (139, 223858), (274, 113563), (278, 111929), (817, 38086), (1634, 19043), (2603, 11954), (2641, 11782), (5206, 5977), (5282, 5891)]