28080468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2069}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 79115400

約数和(自身を除く): 51034932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 2069, 2262, 3393, 4138, 4524, 6207, 6786, 8276, 12414, 13572, 18621, 24828, 26897, 37242, 53794, 60001, 74484, 80691, 107588, 120002, 161382, 180003, 240004, 242073, 322764, 360006, 484146, 540009, 720012, 780013, 968292, 1080018, 1560026, 2160036, 2340039, 3120052, 4680078, 7020117, 9360156, 14040234, 28080468]

約数ペア:

[(1, 28080468), (2, 14040234), (3, 9360156), (4, 7020117), (6, 4680078), (9, 3120052), (12, 2340039), (13, 2160036), (18, 1560026), (26, 1080018), (29, 968292), (36, 780013), (39, 720012), (52, 540009), (58, 484146), (78, 360006), (87, 322764), (116, 242073), (117, 240004), (156, 180003), (174, 161382), (234, 120002), (261, 107588), (348, 80691), (377, 74484), (468, 60001), (522, 53794), (754, 37242), (1044, 26897), (1131, 24828), (1508, 18621), (2069, 13572), (2262, 12414), (3393, 8276), (4138, 6786), (4524, 6207)]