287788996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 573027840

約数和(自身を除く): 285238844

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 101, 124, 202, 341, 404, 682, 1111, 1364, 2089, 2222, 3131, 4178, 4444, 6262, 8356, 12524, 22979, 34441, 45958, 64759, 68882, 91916, 129518, 137764, 210989, 259036, 421978, 712349, 843956, 1424698, 2320879, 2849396, 4641758, 6540659, 9283516, 13081318, 26162636, 71947249, 143894498, 287788996]

約数ペア:

[(1, 287788996), (2, 143894498), (4, 71947249), (11, 26162636), (22, 13081318), (31, 9283516), (44, 6540659), (62, 4641758), (101, 2849396), (124, 2320879), (202, 1424698), (341, 843956), (404, 712349), (682, 421978), (1111, 259036), (1364, 210989), (2089, 137764), (2222, 129518), (3131, 91916), (4178, 68882), (4444, 64759), (6262, 45958), (8356, 34441), (12524, 22979)]