28757556

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{11251}}^1$

素因数の和:11332

約数の個数: 36

約数和(自身を含む): 73723104

約数和(自身を除く): 44965548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 11251, 22502, 33753, 45004, 67506, 101259, 135012, 202518, 405036, 798821, 1597642, 2396463, 3195284, 4792926, 7189389, 9585852, 14378778, 28757556]

約数ペア:

[(1, 28757556), (2, 14378778), (3, 9585852), (4, 7189389), (6, 4792926), (9, 3195284), (12, 2396463), (18, 1597642), (36, 798821), (71, 405036), (142, 202518), (213, 135012), (284, 101259), (426, 67506), (639, 45004), (852, 33753), (1278, 22502), (2556, 11251)]