25120641

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 20037759

約数列:

[1, 3, 7, 13, 19, 21, 29, 39, 57, 87, 91, 133, 167, 203, 247, 273, 377, 399, 501, 551, 609, 741, 1131, 1169, 1653, 1729, 2171, 2639, 3173, 3507, 3857, 4843, 5187, 6513, 7163, 7917, 9519, 11571, 14529, 15197, 21489, 22211, 33901, 41249, 45591, 50141, 62959, 66633, 92017, 101703, 123747, 150423, 188877, 276051, 288743, 440713, 644119, 866229, 1196221, 1322139, 1932357, 3588663, 8373547, 25120641]

約数ペア:

[(1, 25120641), (3, 8373547), (7, 3588663), (13, 1932357), (19, 1322139), (21, 1196221), (29, 866229), (39, 644119), (57, 440713), (87, 288743), (91, 276051), (133, 188877), (167, 150423), (203, 123747), (247, 101703), (273, 92017), (377, 66633), (399, 62959), (501, 50141), (551, 45591), (609, 41249), (741, 33901), (1131, 22211), (1169, 21489), (1653, 15197), (1729, 14529), (2171, 11571), (2639, 9519), (3173, 7917), (3507, 7163), (3857, 6513), (4843, 5187)]