257580498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{21221}}^1$

素因数の和:21267

約数の個数: 48

約数和(自身を含む): 625454784

約数和(自身を除く): 367874286

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 289, 357, 578, 714, 867, 1734, 2023, 4046, 6069, 12138, 21221, 42442, 63663, 127326, 148547, 297094, 360757, 445641, 721514, 891282, 1082271, 2164542, 2525299, 5050598, 6132869, 7575897, 12265738, 15151794, 18398607, 36797214, 42930083, 85860166, 128790249, 257580498]

約数ペア:

[(1, 257580498), (2, 128790249), (3, 85860166), (6, 42930083), (7, 36797214), (14, 18398607), (17, 15151794), (21, 12265738), (34, 7575897), (42, 6132869), (51, 5050598), (102, 2525299), (119, 2164542), (238, 1082271), (289, 891282), (357, 721514), (578, 445641), (714, 360757), (867, 297094), (1734, 148547), (2023, 127326), (4046, 63663), (6069, 42442), (12138, 21221)]