81568212

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 220437504

約数和(自身を除く): 138869292

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 67, 69, 92, 132, 134, 138, 201, 253, 268, 276, 401, 402, 506, 737, 759, 802, 804, 1012, 1203, 1474, 1518, 1541, 1604, 2211, 2406, 2948, 3036, 3082, 4411, 4422, 4623, 4812, 6164, 8822, 8844, 9223, 9246, 13233, 16951, 17644, 18446, 18492, 26466, 26867, 27669, 33902, 36892, 50853, 52932, 53734, 55338, 67804, 80601, 101453, 101706, 107468, 110676, 161202, 202906, 203412, 295537, 304359, 322404, 405812, 591074, 608718, 617941, 886611, 1182148, 1217436, 1235882, 1773222, 1853823, 2471764, 3546444, 3707646, 6797351, 7415292, 13594702, 20392053, 27189404, 40784106, 81568212]

約数ペア:

[(1, 81568212), (2, 40784106), (3, 27189404), (4, 20392053), (6, 13594702), (11, 7415292), (12, 6797351), (22, 3707646), (23, 3546444), (33, 2471764), (44, 1853823), (46, 1773222), (66, 1235882), (67, 1217436), (69, 1182148), (92, 886611), (132, 617941), (134, 608718), (138, 591074), (201, 405812), (253, 322404), (268, 304359), (276, 295537), (401, 203412), (402, 202906), (506, 161202), (737, 110676), (759, 107468), (802, 101706), (804, 101453), (1012, 80601), (1203, 67804), (1474, 55338), (1518, 53734), (1541, 52932), (1604, 50853), (2211, 36892), (2406, 33902), (2948, 27669), (3036, 26867), (3082, 26466), (4411, 18492), (4422, 18446), (4623, 17644), (4812, 16951), (6164, 13233), (8822, 9246), (8844, 9223)]