81255172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 161239680

約数和(自身を除く): 79984508

約数列:

[1, 2, 4, 17, 19, 34, 38, 61, 68, 76, 122, 244, 323, 646, 1031, 1037, 1159, 1292, 2062, 2074, 2318, 4124, 4148, 4636, 17527, 19589, 19703, 35054, 39178, 39406, 62891, 70108, 78356, 78812, 125782, 251564, 333013, 666026, 1069147, 1194929, 1332052, 2138294, 2389858, 4276588, 4779716, 20313793, 40627586, 81255172]

約数ペア:

[(1, 81255172), (2, 40627586), (4, 20313793), (17, 4779716), (19, 4276588), (34, 2389858), (38, 2138294), (61, 1332052), (68, 1194929), (76, 1069147), (122, 666026), (244, 333013), (323, 251564), (646, 125782), (1031, 78812), (1037, 78356), (1159, 70108), (1292, 62891), (2062, 39406), (2074, 39178), (2318, 35054), (4124, 19703), (4148, 19589), (4636, 17527)]