641330376

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{1861}}^1$

素因数の和:2126

約数の個数: 64

約数和(自身を含む): 1632899520

約数和(自身を除く): 991569144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 173, 249, 332, 346, 498, 519, 664, 692, 996, 1038, 1384, 1861, 1992, 2076, 3722, 4152, 5583, 7444, 11166, 14359, 14888, 22332, 28718, 43077, 44664, 57436, 86154, 114872, 154463, 172308, 308926, 321953, 344616, 463389, 617852, 643906, 926778, 965859, 1235704, 1287812, 1853556, 1931718, 2575624, 3707112, 3863436, 7726872, 26722099, 53444198, 80166297, 106888396, 160332594, 213776792, 320665188, 641330376]

約数ペア:

[(1, 641330376), (2, 320665188), (3, 213776792), (4, 160332594), (6, 106888396), (8, 80166297), (12, 53444198), (24, 26722099), (83, 7726872), (166, 3863436), (173, 3707112), (249, 2575624), (332, 1931718), (346, 1853556), (498, 1287812), (519, 1235704), (664, 965859), (692, 926778), (996, 643906), (1038, 617852), (1384, 463389), (1861, 344616), (1992, 321953), (2076, 308926), (3722, 172308), (4152, 154463), (5583, 114872), (7444, 86154), (11166, 57436), (14359, 44664), (14888, 43077), (22332, 28718)]