81085972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 165904200

約数和(自身を除く): 84818228

約数列:

[1, 2, 4, 11, 22, 29, 44, 53, 58, 106, 109, 116, 121, 212, 218, 242, 319, 436, 484, 583, 638, 1166, 1199, 1276, 1537, 2332, 2398, 3074, 3161, 3509, 4796, 5777, 6148, 6322, 6413, 7018, 11554, 12644, 12826, 13189, 14036, 16907, 23108, 25652, 26378, 33814, 34771, 52756, 63547, 67628, 69542, 127094, 139084, 167533, 185977, 254188, 335066, 371954, 382481, 670132, 699017, 743908, 764962, 1398034, 1529924, 1842863, 2796068, 3685726, 7371452, 20271493, 40542986, 81085972]

約数ペア:

[(1, 81085972), (2, 40542986), (4, 20271493), (11, 7371452), (22, 3685726), (29, 2796068), (44, 1842863), (53, 1529924), (58, 1398034), (106, 764962), (109, 743908), (116, 699017), (121, 670132), (212, 382481), (218, 371954), (242, 335066), (319, 254188), (436, 185977), (484, 167533), (583, 139084), (638, 127094), (1166, 69542), (1199, 67628), (1276, 63547), (1537, 52756), (2332, 34771), (2398, 33814), (3074, 26378), (3161, 25652), (3509, 23108), (4796, 16907), (5777, 14036), (6148, 13189), (6322, 12826), (6413, 12644), (7018, 11554)]