636508728

素因数分解:

$2^3\times 3^2\times {\mathrm{997}}^1\times {\mathrm{8867}}^1$

素因数の和:9876

約数の個数: 48

約数和(自身を含む): 1725801480

約数和(自身を除く): 1089292752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 997, 1994, 2991, 3988, 5982, 7976, 8867, 8973, 11964, 17734, 17946, 23928, 26601, 35468, 35892, 53202, 70936, 71784, 79803, 106404, 159606, 212808, 319212, 638424, 8840399, 17680798, 26521197, 35361596, 53042394, 70723192, 79563591, 106084788, 159127182, 212169576, 318254364, 636508728]

約数ペア:

[(1, 636508728), (2, 318254364), (3, 212169576), (4, 159127182), (6, 106084788), (8, 79563591), (9, 70723192), (12, 53042394), (18, 35361596), (24, 26521197), (36, 17680798), (72, 8840399), (997, 638424), (1994, 319212), (2991, 212808), (3988, 159606), (5982, 106404), (7976, 79803), (8867, 71784), (8973, 70936), (11964, 53202), (17734, 35892), (17946, 35468), (23928, 26601)]