71640432

素因数分解:

$2^4\times 3^2\times {\mathrm{499}}^1\times {\mathrm{997}}^1$

素因数の和:1510

約数の個数: 60

約数和(自身を含む): 201097000

約数和(自身を除く): 129456568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 499, 997, 998, 1497, 1994, 1996, 2991, 2994, 3988, 3992, 4491, 5982, 5988, 7976, 7984, 8973, 8982, 11964, 11976, 15952, 17946, 17964, 23928, 23952, 35892, 35928, 47856, 71784, 71856, 143568, 497503, 995006, 1492509, 1990012, 2985018, 3980024, 4477527, 5970036, 7960048, 8955054, 11940072, 17910108, 23880144, 35820216, 71640432]

約数ペア:

[(1, 71640432), (2, 35820216), (3, 23880144), (4, 17910108), (6, 11940072), (8, 8955054), (9, 7960048), (12, 5970036), (16, 4477527), (18, 3980024), (24, 2985018), (36, 1990012), (48, 1492509), (72, 995006), (144, 497503), (499, 143568), (997, 71856), (998, 71784), (1497, 47856), (1994, 35928), (1996, 35892), (2991, 23952), (2994, 23928), (3988, 17964), (3992, 17946), (4491, 15952), (5982, 11976), (5988, 11964), (7976, 8982), (7984, 8973)]