28726494

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 63258624

約数和(自身を除く): 34532130

約数列:

[1, 2, 3, 6, 23, 43, 46, 47, 69, 86, 94, 103, 129, 138, 141, 206, 258, 282, 309, 618, 989, 1081, 1978, 2021, 2162, 2369, 2967, 3243, 4042, 4429, 4738, 4841, 5934, 6063, 6486, 7107, 8858, 9682, 12126, 13287, 14214, 14523, 26574, 29046, 46483, 92966, 101867, 111343, 139449, 203734, 208163, 222686, 278898, 305601, 334029, 416326, 611202, 624489, 668058, 1248978, 4787749, 9575498, 14363247, 28726494]

約数ペア:

[(1, 28726494), (2, 14363247), (3, 9575498), (6, 4787749), (23, 1248978), (43, 668058), (46, 624489), (47, 611202), (69, 416326), (86, 334029), (94, 305601), (103, 278898), (129, 222686), (138, 208163), (141, 203734), (206, 139449), (258, 111343), (282, 101867), (309, 92966), (618, 46483), (989, 29046), (1081, 26574), (1978, 14523), (2021, 14214), (2162, 13287), (2369, 12126), (2967, 9682), (3243, 8858), (4042, 7107), (4429, 6486), (4738, 6063), (4841, 5934)]