161569881056

素因数分解:

$2^5\times {\mathrm{409}}^1\times {\mathrm{991}}^1\times {\mathrm{12457}}^1$

素因数の和:13867

約数の個数: 48

約数和(自身を含む): 319215818880

約数和(自身を除く): 157645937824

約数列:

[1, 2, 4, 8, 16, 32, 409, 818, 991, 1636, 1982, 3272, 3964, 6544, 7928, 12457, 13088, 15856, 24914, 31712, 49828, 99656, 199312, 398624, 405319, 810638, 1621276, 3242552, 5094913, 6485104, 10189826, 12344887, 12970208, 20379652, 24689774, 40759304, 49379548, 81518608, 98759096, 163037216, 197518192, 395036384, 5049058783, 10098117566, 20196235132, 40392470264, 80784940528, 161569881056]

約数ペア:

[(1, 161569881056), (2, 80784940528), (4, 40392470264), (8, 20196235132), (16, 10098117566), (32, 5049058783), (409, 395036384), (818, 197518192), (991, 163037216), (1636, 98759096), (1982, 81518608), (3272, 49379548), (3964, 40759304), (6544, 24689774), (7928, 20379652), (12457, 12970208), (13088, 12344887), (15856, 10189826), (24914, 6485104), (31712, 5094913), (49828, 3242552), (99656, 1621276), (199312, 810638), (398624, 405319)]