1640554468

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181397}}^1$

素因数の和:181444

約数の個数: 48

約数和(自身を含む): 3656983680

約数和(自身を除く): 2016429212

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 4522, 9044, 181397, 362794, 725588, 1269779, 2539558, 3083749, 3446543, 5079116, 6167498, 6893086, 12334996, 13786172, 21586243, 24125801, 43172486, 48251602, 58591231, 86344972, 96503204, 117182462, 234364924, 410138617, 820277234, 1640554468]

約数ペア:

[(1, 1640554468), (2, 820277234), (4, 410138617), (7, 234364924), (14, 117182462), (17, 96503204), (19, 86344972), (28, 58591231), (34, 48251602), (38, 43172486), (68, 24125801), (76, 21586243), (119, 13786172), (133, 12334996), (238, 6893086), (266, 6167498), (323, 5079116), (476, 3446543), (532, 3083749), (646, 2539558), (1292, 1269779), (2261, 725588), (4522, 362794), (9044, 181397)]