6688908

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 18018000

約数和(自身を除く): 11329092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 43, 58, 86, 87, 116, 129, 149, 172, 174, 258, 261, 298, 348, 387, 447, 516, 522, 596, 774, 894, 1044, 1247, 1341, 1548, 1788, 2494, 2682, 3741, 4321, 4988, 5364, 6407, 7482, 8642, 11223, 12814, 12963, 14964, 17284, 19221, 22446, 25628, 25926, 38442, 38889, 44892, 51852, 57663, 76884, 77778, 115326, 155556, 185803, 230652, 371606, 557409, 743212, 1114818, 1672227, 2229636, 3344454, 6688908]

約数ペア:

[(1, 6688908), (2, 3344454), (3, 2229636), (4, 1672227), (6, 1114818), (9, 743212), (12, 557409), (18, 371606), (29, 230652), (36, 185803), (43, 155556), (58, 115326), (86, 77778), (87, 76884), (116, 57663), (129, 51852), (149, 44892), (172, 38889), (174, 38442), (258, 25926), (261, 25628), (298, 22446), (348, 19221), (387, 17284), (447, 14964), (516, 12963), (522, 12814), (596, 11223), (774, 8642), (894, 7482), (1044, 6407), (1247, 5364), (1341, 4988), (1548, 4321), (1788, 3741), (2494, 2682)]