128522368

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{77237}}^1$

素因数の和:77264

約数の個数: 32

約数和(自身を含む): 275739660

約数和(自身を除く): 147217292

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 77237, 154474, 308948, 617896, 1004081, 1235792, 2008162, 2471584, 4016324, 4943168, 8032648, 9886336, 16065296, 32130592, 64261184, 128522368]

約数ペア:

[(1, 128522368), (2, 64261184), (4, 32130592), (8, 16065296), (13, 9886336), (16, 8032648), (26, 4943168), (32, 4016324), (52, 2471584), (64, 2008162), (104, 1235792), (128, 1004081), (208, 617896), (416, 308948), (832, 154474), (1664, 77237)]