388551212

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{227489}}^1$

素因数の和:227561

約数の個数: 24

約数和(自身を含む): 789845280

約数和(自身を除く): 401294068

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 227489, 454978, 909956, 1592423, 3184846, 6369692, 13876829, 27753658, 55507316, 97137803, 194275606, 388551212]

約数ペア:

[(1, 388551212), (2, 194275606), (4, 97137803), (7, 55507316), (14, 27753658), (28, 13876829), (61, 6369692), (122, 3184846), (244, 1592423), (427, 909956), (854, 454978), (1708, 227489)]