123515744

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20641}}^1$

素因数の和:20679

約数の個数: 48

約数和(自身を含む): 280896336

約数和(自身を除く): 157380592

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 5984, 20641, 41282, 82564, 165128, 227051, 330256, 350897, 454102, 660512, 701794, 908204, 1403588, 1816408, 2807176, 3632816, 3859867, 5614352, 7265632, 7719734, 11228704, 15439468, 30878936, 61757872, 123515744]

約数ペア:

[(1, 123515744), (2, 61757872), (4, 30878936), (8, 15439468), (11, 11228704), (16, 7719734), (17, 7265632), (22, 5614352), (32, 3859867), (34, 3632816), (44, 2807176), (68, 1816408), (88, 1403588), (136, 908204), (176, 701794), (187, 660512), (272, 454102), (352, 350897), (374, 330256), (544, 227051), (748, 165128), (1496, 82564), (2992, 41282), (5984, 20641)]