28506258

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{143971}}^1$

素因数の和:143990

約数の個数: 24

約数和(自身を含む): 67378896

約数和(自身を除く): 38872638

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 143971, 287942, 431913, 863826, 1295739, 1583681, 2591478, 3167362, 4751043, 9502086, 14253129, 28506258]

約数ペア:

[(1, 28506258), (2, 14253129), (3, 9502086), (6, 4751043), (9, 3167362), (11, 2591478), (18, 1583681), (22, 1295739), (33, 863826), (66, 431913), (99, 287942), (198, 143971)]