81422068

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 188599040

約数和(自身を除く): 107176972

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 61, 76, 91, 122, 133, 182, 193, 244, 247, 266, 364, 386, 427, 494, 532, 772, 793, 854, 988, 1159, 1351, 1586, 1708, 1729, 2318, 2509, 2702, 3172, 3458, 3667, 4636, 5018, 5404, 5551, 6916, 7334, 8113, 10036, 11102, 11773, 14668, 15067, 16226, 17563, 22204, 23546, 25669, 30134, 32452, 35126, 47092, 47671, 51338, 60268, 70252, 82411, 95342, 102676, 105469, 153049, 164822, 190684, 210938, 223687, 306098, 329644, 333697, 421876, 447374, 612196, 667394, 894748, 1071343, 1334788, 1565809, 2142686, 2907931, 3131618, 4285372, 5815862, 6263236, 11631724, 20355517, 40711034, 81422068]

約数ペア:

[(1, 81422068), (2, 40711034), (4, 20355517), (7, 11631724), (13, 6263236), (14, 5815862), (19, 4285372), (26, 3131618), (28, 2907931), (38, 2142686), (52, 1565809), (61, 1334788), (76, 1071343), (91, 894748), (122, 667394), (133, 612196), (182, 447374), (193, 421876), (244, 333697), (247, 329644), (266, 306098), (364, 223687), (386, 210938), (427, 190684), (494, 164822), (532, 153049), (772, 105469), (793, 102676), (854, 95342), (988, 82411), (1159, 70252), (1351, 60268), (1586, 51338), (1708, 47671), (1729, 47092), (2318, 35126), (2509, 32452), (2702, 30134), (3172, 25669), (3458, 23546), (3667, 22204), (4636, 17563), (5018, 16226), (5404, 15067), (5551, 14668), (6916, 11773), (7334, 11102), (8113, 10036)]