258798957

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 360998400

約数和(自身を除く): 102199443

約数列:

[1, 3, 59, 67, 139, 157, 177, 201, 417, 471, 3953, 8201, 9263, 9313, 10519, 11859, 21823, 24603, 27789, 27939, 31557, 65469, 549467, 620621, 1287557, 1462141, 1648401, 1861863, 3862671, 4386423, 86266319, 258798957]

約数ペア:

[(1, 258798957), (3, 86266319), (59, 4386423), (67, 3862671), (139, 1861863), (157, 1648401), (177, 1462141), (201, 1287557), (417, 620621), (471, 549467), (3953, 65469), (8201, 31557), (9263, 27939), (9313, 27789), (10519, 24603), (11859, 21823)]