28501099992

素因数分解:

$2^3\times 3^4\times {\mathrm{199}}^1\times {\mathrm{221021}}^1$

素因数の和:221238

約数の個数: 80

約数和(自身を含む): 80230986000

約数和(自身を除く): 51729886008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 199, 216, 324, 398, 597, 648, 796, 1194, 1592, 1791, 2388, 3582, 4776, 5373, 7164, 10746, 14328, 16119, 21492, 32238, 42984, 64476, 128952, 221021, 442042, 663063, 884084, 1326126, 1768168, 1989189, 2652252, 3978378, 5304504, 5967567, 7956756, 11935134, 15913512, 17902701, 23870268, 35805402, 43983179, 47740536, 71610804, 87966358, 131949537, 143221608, 175932716, 263899074, 351865432, 395848611, 527798148, 791697222, 1055596296, 1187545833, 1583394444, 2375091666, 3166788888, 3562637499, 4750183332, 7125274998, 9500366664, 14250549996, 28501099992]

約数ペア:

[(1, 28501099992), (2, 14250549996), (3, 9500366664), (4, 7125274998), (6, 4750183332), (8, 3562637499), (9, 3166788888), (12, 2375091666), (18, 1583394444), (24, 1187545833), (27, 1055596296), (36, 791697222), (54, 527798148), (72, 395848611), (81, 351865432), (108, 263899074), (162, 175932716), (199, 143221608), (216, 131949537), (324, 87966358), (398, 71610804), (597, 47740536), (648, 43983179), (796, 35805402), (1194, 23870268), (1592, 17902701), (1791, 15913512), (2388, 11935134), (3582, 7956756), (4776, 5967567), (5373, 5304504), (7164, 3978378), (10746, 2652252), (14328, 1989189), (16119, 1768168), (21492, 1326126), (32238, 884084), (42984, 663063), (64476, 442042), (128952, 221021)]