253925252

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^2\times {\mathrm{257}}^1$

素因数の和:417

約数の個数: 54

約数和(自身を含む): 526342446

約数和(自身を除く): 272417194

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 257, 284, 497, 514, 994, 1028, 1799, 1988, 3479, 3598, 5041, 6958, 7196, 10082, 12593, 13916, 18247, 20164, 25186, 35287, 36494, 50372, 70574, 72988, 127729, 141148, 247009, 255458, 494018, 510916, 894103, 988036, 1295537, 1788206, 2591074, 3576412, 5182148, 9068759, 18137518, 36275036, 63481313, 126962626, 253925252]

約数ペア:

[(1, 253925252), (2, 126962626), (4, 63481313), (7, 36275036), (14, 18137518), (28, 9068759), (49, 5182148), (71, 3576412), (98, 2591074), (142, 1788206), (196, 1295537), (257, 988036), (284, 894103), (497, 510916), (514, 494018), (994, 255458), (1028, 247009), (1799, 141148), (1988, 127729), (3479, 72988), (3598, 70574), (5041, 50372), (6958, 36494), (7196, 35287), (10082, 25186), (12593, 20164), (13916, 18247)]