128520704

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19309}}^1$

素因数の和:19340

約数の個数: 40

約数和(自身を含む): 276557820

約数和(自身を除く): 148037116

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 19309, 38618, 77236, 154472, 251017, 308944, 502034, 617888, 1004068, 1235776, 2008136, 2471552, 4016272, 4943104, 8032544, 9886208, 16065088, 32130176, 64260352, 128520704]

約数ペア:

[(1, 128520704), (2, 64260352), (4, 32130176), (8, 16065088), (13, 9886208), (16, 8032544), (26, 4943104), (32, 4016272), (52, 2471552), (64, 2008136), (104, 1235776), (128, 1004068), (208, 617888), (256, 502034), (416, 308944), (512, 251017), (832, 154472), (1664, 77236), (3328, 38618), (6656, 19309)]