205917908

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{991}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 424639488

約数和(自身を除く): 218721580

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 181, 287, 362, 574, 724, 991, 1148, 1267, 1982, 2534, 3964, 5068, 6937, 7421, 13874, 14842, 27748, 29684, 40631, 51947, 81262, 103894, 162524, 179371, 207788, 284417, 358742, 568834, 717484, 1137668, 1255597, 2511194, 5022388, 7354211, 14708422, 29416844, 51479477, 102958954, 205917908]

約数ペア:

[(1, 205917908), (2, 102958954), (4, 51479477), (7, 29416844), (14, 14708422), (28, 7354211), (41, 5022388), (82, 2511194), (164, 1255597), (181, 1137668), (287, 717484), (362, 568834), (574, 358742), (724, 284417), (991, 207788), (1148, 179371), (1267, 162524), (1982, 103894), (2534, 81262), (3964, 51947), (5068, 40631), (6937, 29684), (7421, 27748), (13874, 14842)]