81022816

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21277}}^1$

素因数の和:21311

約数の個数: 48

約数和(自身を含む): 193034016

約数和(自身を除く): 112011200

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 21277, 42554, 85108, 148939, 170216, 297878, 340432, 361709, 595756, 680864, 723418, 1191512, 1446836, 2383024, 2531963, 2893672, 4766048, 5063926, 5787344, 10127852, 11574688, 20255704, 40511408, 81022816]

約数ペア:

[(1, 81022816), (2, 40511408), (4, 20255704), (7, 11574688), (8, 10127852), (14, 5787344), (16, 5063926), (17, 4766048), (28, 2893672), (32, 2531963), (34, 2383024), (56, 1446836), (68, 1191512), (112, 723418), (119, 680864), (136, 595756), (224, 361709), (238, 340432), (272, 297878), (476, 170216), (544, 148939), (952, 85108), (1904, 42554), (3808, 21277)]