128401312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1201}}^1$

素因数の和:1481

約数の個数: 48

約数和(自身を含む): 273522312

約数和(自身を除く): 145121000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 257, 416, 514, 1028, 1201, 2056, 2402, 3341, 4112, 4804, 6682, 8224, 9608, 13364, 15613, 19216, 26728, 31226, 38432, 53456, 62452, 106912, 124904, 249808, 308657, 499616, 617314, 1234628, 2469256, 4012541, 4938512, 8025082, 9877024, 16050164, 32100328, 64200656, 128401312]

約数ペア:

[(1, 128401312), (2, 64200656), (4, 32100328), (8, 16050164), (13, 9877024), (16, 8025082), (26, 4938512), (32, 4012541), (52, 2469256), (104, 1234628), (208, 617314), (257, 499616), (416, 308657), (514, 249808), (1028, 124904), (1201, 106912), (2056, 62452), (2402, 53456), (3341, 38432), (4112, 31226), (4804, 26728), (6682, 19216), (8224, 15613), (9608, 13364)]