868705916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{51721}}^1$

素因数の和:51774

約数の個数: 48

約数和(自身を含む): 1824752160

約数和(自身を除く): 956046244

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 4199, 8398, 16796, 51721, 103442, 206884, 672373, 879257, 982699, 1344746, 1758514, 1965398, 2689492, 3517028, 3930796, 11430341, 12775087, 16705883, 22860682, 25550174, 33411766, 45721364, 51100348, 66823532, 217176479, 434352958, 868705916]

約数ペア:

[(1, 868705916), (2, 434352958), (4, 217176479), (13, 66823532), (17, 51100348), (19, 45721364), (26, 33411766), (34, 25550174), (38, 22860682), (52, 16705883), (68, 12775087), (76, 11430341), (221, 3930796), (247, 3517028), (323, 2689492), (442, 1965398), (494, 1758514), (646, 1344746), (884, 982699), (988, 879257), (1292, 672373), (4199, 206884), (8398, 103442), (16796, 51721)]