16880994

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 40924800

約数和(自身を除く): 24043806

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 139, 173, 234, 278, 346, 351, 417, 519, 702, 834, 1038, 1251, 1557, 1807, 2249, 2502, 3114, 3614, 3753, 4498, 4671, 5421, 6747, 7506, 9342, 10842, 13494, 16263, 20241, 24047, 32526, 40482, 48094, 48789, 60723, 72141, 97578, 121446, 144282, 216423, 312611, 432846, 625222, 649269, 937833, 1298538, 1875666, 2813499, 5626998, 8440497, 16880994]

約数ペア:

[(1, 16880994), (2, 8440497), (3, 5626998), (6, 2813499), (9, 1875666), (13, 1298538), (18, 937833), (26, 649269), (27, 625222), (39, 432846), (54, 312611), (78, 216423), (117, 144282), (139, 121446), (173, 97578), (234, 72141), (278, 60723), (346, 48789), (351, 48094), (417, 40482), (519, 32526), (702, 24047), (834, 20241), (1038, 16263), (1251, 13494), (1557, 10842), (1807, 9342), (2249, 7506), (2502, 6747), (3114, 5421), (3614, 4671), (3753, 4498)]