211231674

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{839}}^1$

素因数の和:1115

約数の個数: 48

約数和(自身を含む): 467026560

約数和(自身を除く): 255794886

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 197, 213, 394, 426, 591, 639, 839, 1182, 1278, 1678, 1773, 2517, 3546, 5034, 7551, 13987, 15102, 27974, 41961, 59569, 83922, 119138, 125883, 165283, 178707, 251766, 330566, 357414, 495849, 536121, 991698, 1072242, 1487547, 2975094, 11735093, 23470186, 35205279, 70410558, 105615837, 211231674]

約数ペア:

[(1, 211231674), (2, 105615837), (3, 70410558), (6, 35205279), (9, 23470186), (18, 11735093), (71, 2975094), (142, 1487547), (197, 1072242), (213, 991698), (394, 536121), (426, 495849), (591, 357414), (639, 330566), (839, 251766), (1182, 178707), (1278, 165283), (1678, 125883), (1773, 119138), (2517, 83922), (3546, 59569), (5034, 41961), (7551, 27974), (13987, 15102)]