28067508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 81815552

約数和(自身を除く): 53748044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 877, 889, 1143, 1524, 1754, 1778, 2286, 2631, 2667, 3508, 3556, 4572, 5262, 5334, 6139, 7893, 8001, 10524, 10668, 12278, 15786, 16002, 18417, 24556, 31572, 32004, 36834, 55251, 73668, 110502, 111379, 221004, 222758, 334137, 445516, 668274, 779653, 1002411, 1336548, 1559306, 2004822, 2338959, 3118612, 4009644, 4677918, 7016877, 9355836, 14033754, 28067508]

約数ペア:

[(1, 28067508), (2, 14033754), (3, 9355836), (4, 7016877), (6, 4677918), (7, 4009644), (9, 3118612), (12, 2338959), (14, 2004822), (18, 1559306), (21, 1336548), (28, 1002411), (36, 779653), (42, 668274), (63, 445516), (84, 334137), (126, 222758), (127, 221004), (252, 111379), (254, 110502), (381, 73668), (508, 55251), (762, 36834), (877, 32004), (889, 31572), (1143, 24556), (1524, 18417), (1754, 16002), (1778, 15786), (2286, 12278), (2631, 10668), (2667, 10524), (3508, 8001), (3556, 7893), (4572, 6139), (5262, 5334)]