78418756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 160199424

約数和(自身を除く): 81780668

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 172, 221, 442, 559, 731, 884, 1118, 1462, 2063, 2236, 2924, 4126, 8252, 9503, 19006, 26819, 35071, 38012, 53638, 70142, 88709, 107276, 140284, 177418, 354836, 455923, 911846, 1153217, 1508053, 1823692, 2306434, 3016106, 4612868, 6032212, 19604689, 39209378, 78418756]

約数ペア:

[(1, 78418756), (2, 39209378), (4, 19604689), (13, 6032212), (17, 4612868), (26, 3016106), (34, 2306434), (43, 1823692), (52, 1508053), (68, 1153217), (86, 911846), (172, 455923), (221, 354836), (442, 177418), (559, 140284), (731, 107276), (884, 88709), (1118, 70142), (1462, 53638), (2063, 38012), (2236, 35071), (2924, 26819), (4126, 19006), (8252, 9503)]