81390208

素因数分解:

$2^7\times {\mathrm{151}}^1\times {\mathrm{4211}}^1$

素因数の和:4376

約数の個数: 32

約数和(自身を含む): 163257120

約数和(自身を除く): 81866912

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 302, 604, 1208, 2416, 4211, 4832, 8422, 9664, 16844, 19328, 33688, 67376, 134752, 269504, 539008, 635861, 1271722, 2543444, 5086888, 10173776, 20347552, 40695104, 81390208]

約数ペア:

[(1, 81390208), (2, 40695104), (4, 20347552), (8, 10173776), (16, 5086888), (32, 2543444), (64, 1271722), (128, 635861), (151, 539008), (302, 269504), (604, 134752), (1208, 67376), (2416, 33688), (4211, 19328), (4832, 16844), (8422, 9664)]