1787442976

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{20071}}^1$

素因数の和:20126

約数の個数: 72

約数和(自身を含む): 4036398912

約数和(自身を除く): 2248955936

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 88, 92, 121, 176, 184, 242, 253, 352, 368, 484, 506, 736, 968, 1012, 1936, 2024, 2783, 3872, 4048, 5566, 8096, 11132, 20071, 22264, 40142, 44528, 80284, 89056, 160568, 220781, 321136, 441562, 461633, 642272, 883124, 923266, 1766248, 1846532, 2428591, 3532496, 3693064, 4857182, 5077963, 7064992, 7386128, 9714364, 10155926, 14772256, 19428728, 20311852, 38857456, 40623704, 55857593, 77714912, 81247408, 111715186, 162494816, 223430372, 446860744, 893721488, 1787442976]

約数ペア:

[(1, 1787442976), (2, 893721488), (4, 446860744), (8, 223430372), (11, 162494816), (16, 111715186), (22, 81247408), (23, 77714912), (32, 55857593), (44, 40623704), (46, 38857456), (88, 20311852), (92, 19428728), (121, 14772256), (176, 10155926), (184, 9714364), (242, 7386128), (253, 7064992), (352, 5077963), (368, 4857182), (484, 3693064), (506, 3532496), (736, 2428591), (968, 1846532), (1012, 1766248), (1936, 923266), (2024, 883124), (2783, 642272), (3872, 461633), (4048, 441562), (5566, 321136), (8096, 220781), (11132, 160568), (20071, 89056), (22264, 80284), (40142, 44528)]