28163718

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 72

約数和(自身を含む): 68426904

約数和(自身を除く): 40263186

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 67, 99, 121, 134, 193, 198, 201, 242, 363, 386, 402, 579, 603, 726, 737, 1089, 1158, 1206, 1474, 1737, 2123, 2178, 2211, 3474, 4246, 4422, 6369, 6633, 8107, 12738, 12931, 13266, 16214, 19107, 23353, 24321, 25862, 38214, 38793, 46706, 48642, 70059, 72963, 77586, 116379, 140118, 142241, 145926, 210177, 232758, 284482, 420354, 426723, 853446, 1280169, 1564651, 2560338, 3129302, 4693953, 9387906, 14081859, 28163718]

約数ペア:

[(1, 28163718), (2, 14081859), (3, 9387906), (6, 4693953), (9, 3129302), (11, 2560338), (18, 1564651), (22, 1280169), (33, 853446), (66, 426723), (67, 420354), (99, 284482), (121, 232758), (134, 210177), (193, 145926), (198, 142241), (201, 140118), (242, 116379), (363, 77586), (386, 72963), (402, 70059), (579, 48642), (603, 46706), (726, 38793), (737, 38214), (1089, 25862), (1158, 24321), (1206, 23353), (1474, 19107), (1737, 16214), (2123, 13266), (2178, 12931), (2211, 12738), (3474, 8107), (4246, 6633), (4422, 6369)]