31087628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 71124480

約数和(自身を除く): 40036852

約数列:

[1, 2, 4, 11, 13, 17, 22, 23, 26, 34, 44, 46, 52, 68, 92, 139, 143, 187, 221, 253, 278, 286, 299, 374, 391, 442, 506, 556, 572, 598, 748, 782, 884, 1012, 1196, 1529, 1564, 1807, 2363, 2431, 3058, 3197, 3289, 3614, 4301, 4726, 4862, 5083, 6116, 6394, 6578, 7228, 8602, 9452, 9724, 10166, 12788, 13156, 17204, 19877, 20332, 25993, 30719, 35167, 39754, 41561, 51986, 54349, 55913, 61438, 70334, 79508, 83122, 103972, 108698, 111826, 122876, 140668, 166244, 217396, 223652, 337909, 457171, 597839, 675818, 706537, 914342, 1195678, 1351636, 1413074, 1828684, 2391356, 2826148, 7771907, 15543814, 31087628]

約数ペア:

[(1, 31087628), (2, 15543814), (4, 7771907), (11, 2826148), (13, 2391356), (17, 1828684), (22, 1413074), (23, 1351636), (26, 1195678), (34, 914342), (44, 706537), (46, 675818), (52, 597839), (68, 457171), (92, 337909), (139, 223652), (143, 217396), (187, 166244), (221, 140668), (253, 122876), (278, 111826), (286, 108698), (299, 103972), (374, 83122), (391, 79508), (442, 70334), (506, 61438), (556, 55913), (572, 54349), (598, 51986), (748, 41561), (782, 39754), (884, 35167), (1012, 30719), (1196, 25993), (1529, 20332), (1564, 19877), (1807, 17204), (2363, 13156), (2431, 12788), (3058, 10166), (3197, 9724), (3289, 9452), (3614, 8602), (4301, 7228), (4726, 6578), (4862, 6394), (5083, 6116)]