31316538

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 71414784

約数和(自身を除く): 40098246

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 71, 82, 123, 142, 163, 213, 246, 326, 426, 451, 489, 781, 902, 978, 1353, 1562, 1793, 2343, 2706, 2911, 3586, 4686, 5379, 5822, 6683, 8733, 10758, 11573, 13366, 17466, 20049, 23146, 32021, 34719, 40098, 64042, 69438, 73513, 96063, 127303, 147026, 192126, 220539, 254606, 381909, 441078, 474493, 763818, 948986, 1423479, 2846958, 5219423, 10438846, 15658269, 31316538]

約数ペア:

[(1, 31316538), (2, 15658269), (3, 10438846), (6, 5219423), (11, 2846958), (22, 1423479), (33, 948986), (41, 763818), (66, 474493), (71, 441078), (82, 381909), (123, 254606), (142, 220539), (163, 192126), (213, 147026), (246, 127303), (326, 96063), (426, 73513), (451, 69438), (489, 64042), (781, 40098), (902, 34719), (978, 32021), (1353, 23146), (1562, 20049), (1793, 17466), (2343, 13366), (2706, 11573), (2911, 10758), (3586, 8733), (4686, 6683), (5379, 5822)]