258013

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 16

約数和(自身を含む): 322560

約数和(自身を除く): 64547

約数列:

[1, 7, 29, 31, 41, 203, 217, 287, 899, 1189, 1271, 6293, 8323, 8897, 36859, 258013]

約数ペア:

[(1, 258013), (7, 36859), (29, 8897), (31, 8323), (41, 6293), (203, 1271), (217, 1189), (287, 899)]