208252079

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 255467520

約数和(自身を除く): 47215441

約数列:

[1, 7, 31, 41, 89, 217, 263, 287, 623, 1271, 1841, 2759, 3649, 8153, 8897, 10783, 19313, 23407, 25543, 57071, 75481, 113119, 163849, 334273, 725617, 791833, 959687, 2339911, 5079319, 6717809, 29750297, 208252079]

約数ペア:

[(1, 208252079), (7, 29750297), (31, 6717809), (41, 5079319), (89, 2339911), (217, 959687), (263, 791833), (287, 725617), (623, 334273), (1271, 163849), (1841, 113119), (2759, 75481), (3649, 57071), (8153, 25543), (8897, 23407), (10783, 19313)]