261390738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 609638400

約数和(自身を除く): 348247662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 167, 249, 334, 449, 498, 501, 581, 898, 1002, 1162, 1169, 1347, 1743, 2338, 2694, 3143, 3486, 3507, 6286, 7014, 9429, 13861, 18858, 27722, 37267, 41583, 74534, 74983, 83166, 97027, 111801, 149966, 194054, 223602, 224949, 260869, 291081, 449898, 521738, 524881, 582162, 782607, 1049762, 1565214, 1574643, 3149286, 6223589, 12447178, 18670767, 37341534, 43565123, 87130246, 130695369, 261390738]

約数ペア:

[(1, 261390738), (2, 130695369), (3, 87130246), (6, 43565123), (7, 37341534), (14, 18670767), (21, 12447178), (42, 6223589), (83, 3149286), (166, 1574643), (167, 1565214), (249, 1049762), (334, 782607), (449, 582162), (498, 524881), (501, 521738), (581, 449898), (898, 291081), (1002, 260869), (1162, 224949), (1169, 223602), (1347, 194054), (1743, 149966), (2338, 111801), (2694, 97027), (3143, 83166), (3486, 74983), (3507, 74534), (6286, 41583), (7014, 37267), (9429, 27722), (13861, 18858)]