642513828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{38327}}^1$

素因数の和:38472

約数の個数: 48

約数和(自身を含む): 1648410624

約数和(自身を除く): 1005896796

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 127, 132, 254, 381, 508, 762, 1397, 1524, 2794, 4191, 5588, 8382, 16764, 38327, 76654, 114981, 153308, 229962, 421597, 459924, 843194, 1264791, 1686388, 2529582, 4867529, 5059164, 9735058, 14602587, 19470116, 29205174, 53542819, 58410348, 107085638, 160628457, 214171276, 321256914, 642513828]

約数ペア:

[(1, 642513828), (2, 321256914), (3, 214171276), (4, 160628457), (6, 107085638), (11, 58410348), (12, 53542819), (22, 29205174), (33, 19470116), (44, 14602587), (66, 9735058), (127, 5059164), (132, 4867529), (254, 2529582), (381, 1686388), (508, 1264791), (762, 843194), (1397, 459924), (1524, 421597), (2794, 229962), (4191, 153308), (5588, 114981), (8382, 76654), (16764, 38327)]