257609268

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{48679}}^1$

素因数の和:48706

約数の個数: 72

約数和(自身を含む): 776932800

約数和(自身を除く): 519323532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 48679, 97358, 146037, 194716, 292074, 340753, 438111, 584148, 681506, 876222, 1022259, 1314333, 1363012, 1752444, 2044518, 2385271, 2628666, 3066777, 4089036, 4770542, 5257332, 6133554, 7155813, 9200331, 9541084, 12267108, 14311626, 18400662, 21467439, 28623252, 36801324, 42934878, 64402317, 85869756, 128804634, 257609268]

約数ペア:

[(1, 257609268), (2, 128804634), (3, 85869756), (4, 64402317), (6, 42934878), (7, 36801324), (9, 28623252), (12, 21467439), (14, 18400662), (18, 14311626), (21, 12267108), (27, 9541084), (28, 9200331), (36, 7155813), (42, 6133554), (49, 5257332), (54, 4770542), (63, 4089036), (84, 3066777), (98, 2628666), (108, 2385271), (126, 2044518), (147, 1752444), (189, 1363012), (196, 1314333), (252, 1022259), (294, 876222), (378, 681506), (441, 584148), (588, 438111), (756, 340753), (882, 292074), (1323, 194716), (1764, 146037), (2646, 97358), (5292, 48679)]