28817488

素因数分解:

$2^4\times 7^3\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 80

約数和(自身を含む): 66960000

約数和(自身を除く): 38142512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 59, 89, 98, 112, 118, 178, 196, 236, 343, 356, 392, 413, 472, 623, 686, 712, 784, 826, 944, 1246, 1372, 1424, 1652, 2492, 2744, 2891, 3304, 4361, 4984, 5251, 5488, 5782, 6608, 8722, 9968, 10502, 11564, 17444, 20237, 21004, 23128, 30527, 34888, 36757, 40474, 42008, 46256, 61054, 69776, 73514, 80948, 84016, 122108, 147028, 161896, 244216, 257299, 294056, 323792, 488432, 514598, 588112, 1029196, 1801093, 2058392, 3602186, 4116784, 7204372, 14408744, 28817488]

約数ペア:

[(1, 28817488), (2, 14408744), (4, 7204372), (7, 4116784), (8, 3602186), (14, 2058392), (16, 1801093), (28, 1029196), (49, 588112), (56, 514598), (59, 488432), (89, 323792), (98, 294056), (112, 257299), (118, 244216), (178, 161896), (196, 147028), (236, 122108), (343, 84016), (356, 80948), (392, 73514), (413, 69776), (472, 61054), (623, 46256), (686, 42008), (712, 40474), (784, 36757), (826, 34888), (944, 30527), (1246, 23128), (1372, 21004), (1424, 20237), (1652, 17444), (2492, 11564), (2744, 10502), (2891, 9968), (3304, 8722), (4361, 6608), (4984, 5782), (5251, 5488)]