399348696

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 1076889600

約数和(自身を除く): 677540904

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 37, 62, 74, 89, 93, 111, 124, 148, 163, 178, 186, 222, 248, 267, 296, 326, 356, 372, 444, 489, 534, 652, 712, 744, 888, 978, 1068, 1147, 1304, 1956, 2136, 2294, 2759, 3293, 3441, 3912, 4588, 5053, 5518, 6031, 6586, 6882, 8277, 9176, 9879, 10106, 11036, 12062, 13172, 13764, 14507, 15159, 16554, 18093, 19758, 20212, 22072, 24124, 26344, 27528, 29014, 30318, 33108, 36186, 39516, 40424, 43521, 48248, 58028, 60636, 66216, 72372, 79032, 87042, 102083, 116056, 121272, 144744, 174084, 186961, 204166, 306249, 348168, 373922, 408332, 449717, 536759, 560883, 612498, 747844, 816664, 899434, 1073518, 1121766, 1224996, 1349151, 1495688, 1610277, 1798868, 2147036, 2243532, 2449992, 2698302, 3220554, 3597736, 4294072, 4487064, 5396604, 6441108, 10793208, 12882216, 16639529, 33279058, 49918587, 66558116, 99837174, 133116232, 199674348, 399348696]

約数ペア:

[(1, 399348696), (2, 199674348), (3, 133116232), (4, 99837174), (6, 66558116), (8, 49918587), (12, 33279058), (24, 16639529), (31, 12882216), (37, 10793208), (62, 6441108), (74, 5396604), (89, 4487064), (93, 4294072), (111, 3597736), (124, 3220554), (148, 2698302), (163, 2449992), (178, 2243532), (186, 2147036), (222, 1798868), (248, 1610277), (267, 1495688), (296, 1349151), (326, 1224996), (356, 1121766), (372, 1073518), (444, 899434), (489, 816664), (534, 747844), (652, 612498), (712, 560883), (744, 536759), (888, 449717), (978, 408332), (1068, 373922), (1147, 348168), (1304, 306249), (1956, 204166), (2136, 186961), (2294, 174084), (2759, 144744), (3293, 121272), (3441, 116056), (3912, 102083), (4588, 87042), (5053, 79032), (5518, 72372), (6031, 66216), (6586, 60636), (6882, 58028), (8277, 48248), (9176, 43521), (9879, 40424), (10106, 39516), (11036, 36186), (12062, 33108), (13172, 30318), (13764, 29014), (14507, 27528), (15159, 26344), (16554, 24124), (18093, 22072), (19758, 20212)]