56143818

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 124540416

約数和(自身を除く): 68396598

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 197, 213, 223, 394, 426, 446, 591, 639, 669, 1182, 1278, 1338, 1773, 2007, 3546, 4014, 13987, 15833, 27974, 31666, 41961, 43931, 47499, 83922, 87862, 94998, 125883, 131793, 142497, 251766, 263586, 284994, 395379, 790758, 3119101, 6238202, 9357303, 18714606, 28071909, 56143818]

約数ペア:

[(1, 56143818), (2, 28071909), (3, 18714606), (6, 9357303), (9, 6238202), (18, 3119101), (71, 790758), (142, 395379), (197, 284994), (213, 263586), (223, 251766), (394, 142497), (426, 131793), (446, 125883), (591, 94998), (639, 87862), (669, 83922), (1182, 47499), (1278, 43931), (1338, 41961), (1773, 31666), (2007, 27974), (3546, 15833), (4014, 13987)]