87007228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 194869472

約数和(自身を除く): 107862244

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 121, 122, 154, 242, 244, 308, 421, 427, 484, 671, 842, 847, 854, 1342, 1684, 1694, 1708, 2684, 2947, 3388, 4631, 4697, 5894, 7381, 9262, 9394, 11788, 14762, 18524, 18788, 25681, 29524, 32417, 50941, 51362, 51667, 64834, 101882, 102724, 103334, 129668, 179767, 203764, 206668, 282491, 356587, 359534, 564982, 713174, 719068, 1129964, 1426348, 1977437, 3107401, 3954874, 6214802, 7909748, 12429604, 21751807, 43503614, 87007228]

約数ペア:

[(1, 87007228), (2, 43503614), (4, 21751807), (7, 12429604), (11, 7909748), (14, 6214802), (22, 3954874), (28, 3107401), (44, 1977437), (61, 1426348), (77, 1129964), (121, 719068), (122, 713174), (154, 564982), (242, 359534), (244, 356587), (308, 282491), (421, 206668), (427, 203764), (484, 179767), (671, 129668), (842, 103334), (847, 102724), (854, 101882), (1342, 64834), (1684, 51667), (1694, 51362), (1708, 50941), (2684, 32417), (2947, 29524), (3388, 25681), (4631, 18788), (4697, 18524), (5894, 14762), (7381, 11788), (9262, 9394)]