25156978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 25024142

約数列:

[1, 2, 7, 11, 14, 22, 29, 43, 58, 77, 86, 131, 154, 203, 262, 301, 319, 406, 473, 602, 638, 917, 946, 1247, 1441, 1834, 2233, 2494, 2882, 3311, 3799, 4466, 5633, 6622, 7598, 8729, 10087, 11266, 13717, 17458, 20174, 26593, 27434, 39431, 41789, 53186, 61963, 78862, 83578, 96019, 123926, 163357, 192038, 292523, 326714, 433741, 585046, 867482, 1143499, 1796927, 2286998, 3593854, 12578489, 25156978]

約数ペア:

[(1, 25156978), (2, 12578489), (7, 3593854), (11, 2286998), (14, 1796927), (22, 1143499), (29, 867482), (43, 585046), (58, 433741), (77, 326714), (86, 292523), (131, 192038), (154, 163357), (203, 123926), (262, 96019), (301, 83578), (319, 78862), (406, 61963), (473, 53186), (602, 41789), (638, 39431), (917, 27434), (946, 26593), (1247, 20174), (1441, 17458), (1834, 13717), (2233, 11266), (2494, 10087), (2882, 8729), (3311, 7598), (3799, 6622), (4466, 5633)]