138728704

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 296690688

約数和(自身を除く): 157961984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 127, 128, 136, 251, 254, 256, 272, 502, 508, 544, 1004, 1016, 1088, 2008, 2032, 2159, 2176, 4016, 4064, 4267, 4318, 4352, 8032, 8128, 8534, 8636, 16064, 16256, 17068, 17272, 31877, 32128, 32512, 34136, 34544, 63754, 64256, 68272, 69088, 127508, 136544, 138176, 255016, 273088, 276352, 510032, 541909, 546176, 552704, 1020064, 1083818, 1092352, 2040128, 2167636, 4080256, 4335272, 8160512, 8670544, 17341088, 34682176, 69364352, 138728704]

約数ペア:

[(1, 138728704), (2, 69364352), (4, 34682176), (8, 17341088), (16, 8670544), (17, 8160512), (32, 4335272), (34, 4080256), (64, 2167636), (68, 2040128), (127, 1092352), (128, 1083818), (136, 1020064), (251, 552704), (254, 546176), (256, 541909), (272, 510032), (502, 276352), (508, 273088), (544, 255016), (1004, 138176), (1016, 136544), (1088, 127508), (2008, 69088), (2032, 68272), (2159, 64256), (2176, 63754), (4016, 34544), (4064, 34136), (4267, 32512), (4318, 32128), (4352, 31877), (8032, 17272), (8128, 17068), (8534, 16256), (8636, 16064)]