128557548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1039}}^1$

素因数の和:1547

約数の個数: 72

約数和(自身を含む): 372503040

約数和(自身を除く): 243945492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 491, 982, 1039, 1473, 1964, 2078, 2946, 3117, 3437, 4156, 4419, 5892, 6234, 6874, 7273, 8838, 9351, 10311, 12468, 13748, 14546, 17676, 18702, 20622, 21819, 29092, 30933, 37404, 41244, 43638, 61866, 65457, 87276, 123732, 130914, 261828, 510149, 1020298, 1530447, 2040596, 3060894, 3571043, 4591341, 6121788, 7142086, 9182682, 10713129, 14284172, 18365364, 21426258, 32139387, 42852516, 64278774, 128557548]

約数ペア:

[(1, 128557548), (2, 64278774), (3, 42852516), (4, 32139387), (6, 21426258), (7, 18365364), (9, 14284172), (12, 10713129), (14, 9182682), (18, 7142086), (21, 6121788), (28, 4591341), (36, 3571043), (42, 3060894), (63, 2040596), (84, 1530447), (126, 1020298), (252, 510149), (491, 261828), (982, 130914), (1039, 123732), (1473, 87276), (1964, 65457), (2078, 61866), (2946, 43638), (3117, 41244), (3437, 37404), (4156, 30933), (4419, 29092), (5892, 21819), (6234, 20622), (6874, 18702), (7273, 17676), (8838, 14546), (9351, 13748), (10311, 12468)]