289585784

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{311}}^1\times {\mathrm{487}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 548121600

約数和(自身を除く): 258535816

約数列:

[1, 2, 4, 8, 239, 311, 478, 487, 622, 956, 974, 1244, 1912, 1948, 2488, 3896, 74329, 116393, 148658, 151457, 232786, 297316, 302914, 465572, 594632, 605828, 931144, 1211656, 36198223, 72396446, 144792892, 289585784]

約数ペア:

[(1, 289585784), (2, 144792892), (4, 72396446), (8, 36198223), (239, 1211656), (311, 931144), (478, 605828), (487, 594632), (622, 465572), (956, 302914), (974, 297316), (1244, 232786), (1912, 151457), (1948, 148658), (2488, 116393), (3896, 74329)]