81154766

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 158132736

約数和(自身を除く): 76977970

約数列:

[1, 2, 7, 11, 14, 22, 53, 61, 77, 106, 122, 154, 163, 326, 371, 427, 583, 671, 742, 854, 1141, 1166, 1342, 1793, 2282, 3233, 3586, 4081, 4697, 6466, 8162, 8639, 9394, 9943, 12551, 17278, 19886, 22631, 25102, 35563, 45262, 60473, 69601, 71126, 95029, 109373, 120946, 139202, 190058, 218746, 248941, 497882, 526979, 665203, 765611, 1053958, 1330406, 1531222, 3688853, 5796769, 7377706, 11593538, 40577383, 81154766]

約数ペア:

[(1, 81154766), (2, 40577383), (7, 11593538), (11, 7377706), (14, 5796769), (22, 3688853), (53, 1531222), (61, 1330406), (77, 1053958), (106, 765611), (122, 665203), (154, 526979), (163, 497882), (326, 248941), (371, 218746), (427, 190058), (583, 139202), (671, 120946), (742, 109373), (854, 95029), (1141, 71126), (1166, 69601), (1342, 60473), (1793, 45262), (2282, 35563), (3233, 25102), (3586, 22631), (4081, 19886), (4697, 17278), (6466, 12551), (8162, 9943), (8639, 9394)]