81939616

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 190512000

約数和(自身を除く): 108572384

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 29, 32, 44, 46, 58, 88, 92, 116, 176, 184, 232, 253, 319, 349, 352, 368, 464, 506, 638, 667, 698, 736, 928, 1012, 1276, 1334, 1396, 2024, 2552, 2668, 2792, 3839, 4048, 5104, 5336, 5584, 7337, 7678, 8027, 8096, 10121, 10208, 10672, 11168, 14674, 15356, 16054, 20242, 21344, 29348, 30712, 32108, 40484, 58696, 61424, 64216, 80968, 88297, 111331, 117392, 122848, 128432, 161936, 176594, 222662, 232783, 234784, 256864, 323872, 353188, 445324, 465566, 706376, 890648, 931132, 1412752, 1781296, 1862264, 2560613, 2825504, 3562592, 3724528, 5121226, 7449056, 10242452, 20484904, 40969808, 81939616]

約数ペア:

[(1, 81939616), (2, 40969808), (4, 20484904), (8, 10242452), (11, 7449056), (16, 5121226), (22, 3724528), (23, 3562592), (29, 2825504), (32, 2560613), (44, 1862264), (46, 1781296), (58, 1412752), (88, 931132), (92, 890648), (116, 706376), (176, 465566), (184, 445324), (232, 353188), (253, 323872), (319, 256864), (349, 234784), (352, 232783), (368, 222662), (464, 176594), (506, 161936), (638, 128432), (667, 122848), (698, 117392), (736, 111331), (928, 88297), (1012, 80968), (1276, 64216), (1334, 61424), (1396, 58696), (2024, 40484), (2552, 32108), (2668, 30712), (2792, 29348), (3839, 21344), (4048, 20242), (5104, 16054), (5336, 15356), (5584, 14674), (7337, 11168), (7678, 10672), (8027, 10208), (8096, 10121)]