28979964

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20641}}^1$

素因数の和:20667

約数の個数: 48

約数和(自身を含む): 80916640

約数和(自身を除く): 51936676

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20641, 41282, 61923, 82564, 123846, 185769, 247692, 268333, 371538, 536666, 557307, 743076, 804999, 1073332, 1114614, 1609998, 2229228, 2414997, 3219996, 4829994, 7244991, 9659988, 14489982, 28979964]

約数ペア:

[(1, 28979964), (2, 14489982), (3, 9659988), (4, 7244991), (6, 4829994), (9, 3219996), (12, 2414997), (13, 2229228), (18, 1609998), (26, 1114614), (27, 1073332), (36, 804999), (39, 743076), (52, 557307), (54, 536666), (78, 371538), (108, 268333), (117, 247692), (156, 185769), (234, 123846), (351, 82564), (468, 61923), (702, 41282), (1404, 20641)]