1997191992

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{10453}}^1$

素因数の和:10900

約数の個数: 64

約数和(自身を含む): 5268816000

約数和(自身を除く): 3271624008

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 419, 456, 838, 1257, 1676, 2514, 3352, 5028, 7961, 10056, 10453, 15922, 20906, 23883, 31359, 31844, 41812, 47766, 62718, 63688, 83624, 95532, 125436, 191064, 198607, 250872, 397214, 595821, 794428, 1191642, 1588856, 2383284, 4379807, 4766568, 8759614, 13139421, 17519228, 26278842, 35038456, 52557684, 83216333, 105115368, 166432666, 249648999, 332865332, 499297998, 665730664, 998595996, 1997191992]

約数ペア:

[(1, 1997191992), (2, 998595996), (3, 665730664), (4, 499297998), (6, 332865332), (8, 249648999), (12, 166432666), (19, 105115368), (24, 83216333), (38, 52557684), (57, 35038456), (76, 26278842), (114, 17519228), (152, 13139421), (228, 8759614), (419, 4766568), (456, 4379807), (838, 2383284), (1257, 1588856), (1676, 1191642), (2514, 794428), (3352, 595821), (5028, 397214), (7961, 250872), (10056, 198607), (10453, 191064), (15922, 125436), (20906, 95532), (23883, 83624), (31359, 63688), (31844, 62718), (41812, 47766)]