77177776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8629}}^1$

素因数の和:8693

約数の個数: 40

約数和(自身を含む): 164798480

約数和(自身を除く): 87620704

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8629, 8944, 17258, 34516, 69032, 112177, 138064, 224354, 371047, 448708, 742094, 897416, 1484188, 1794832, 2968376, 4823611, 5936752, 9647222, 19294444, 38588888, 77177776]

約数ペア:

[(1, 77177776), (2, 38588888), (4, 19294444), (8, 9647222), (13, 5936752), (16, 4823611), (26, 2968376), (43, 1794832), (52, 1484188), (86, 897416), (104, 742094), (172, 448708), (208, 371047), (344, 224354), (559, 138064), (688, 112177), (1118, 69032), (2236, 34516), (4472, 17258), (8629, 8944)]