1664200096

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{79}}^2\times {\mathrm{641}}^1$

素因数の和:822

約数の個数: 72

約数和(自身を含む): 3579228324

約数和(自身を除く): 1915028228

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 79, 104, 158, 208, 316, 416, 632, 641, 1027, 1264, 1282, 2054, 2528, 2564, 4108, 5128, 6241, 8216, 8333, 10256, 12482, 16432, 16666, 20512, 24964, 32864, 33332, 49928, 50639, 66664, 81133, 99856, 101278, 133328, 162266, 199712, 202556, 266656, 324532, 405112, 649064, 658307, 810224, 1298128, 1316614, 1620448, 2596256, 2633228, 4000481, 5266456, 8000962, 10532912, 16001924, 21065824, 32003848, 52006253, 64007696, 104012506, 128015392, 208025012, 416050024, 832100048, 1664200096]

約数ペア:

[(1, 1664200096), (2, 832100048), (4, 416050024), (8, 208025012), (13, 128015392), (16, 104012506), (26, 64007696), (32, 52006253), (52, 32003848), (79, 21065824), (104, 16001924), (158, 10532912), (208, 8000962), (316, 5266456), (416, 4000481), (632, 2633228), (641, 2596256), (1027, 1620448), (1264, 1316614), (1282, 1298128), (2054, 810224), (2528, 658307), (2564, 649064), (4108, 405112), (5128, 324532), (6241, 266656), (8216, 202556), (8333, 199712), (10256, 162266), (12482, 133328), (16432, 101278), (16666, 99856), (20512, 81133), (24964, 66664), (32864, 50639), (33332, 49928)]