215921342

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{169483}}^1$

素因数の和:169512

約数の個数: 24

約数和(自身を含む): 405744696

約数和(自身を除く): 189823354

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 169483, 338966, 1186381, 2203279, 2372762, 4406558, 8304667, 15422953, 16609334, 30845906, 107960671, 215921342]

約数ペア:

[(1, 215921342), (2, 107960671), (7, 30845906), (13, 16609334), (14, 15422953), (26, 8304667), (49, 4406558), (91, 2372762), (98, 2203279), (182, 1186381), (637, 338966), (1274, 169483)]