77766728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2389}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 157596600

約数和(自身を除く): 79829872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 313, 626, 1252, 2389, 2504, 4069, 4778, 8138, 9556, 16276, 19112, 31057, 32552, 62114, 124228, 248456, 747757, 1495514, 2991028, 5982056, 9720841, 19441682, 38883364, 77766728]

約数ペア:

[(1, 77766728), (2, 38883364), (4, 19441682), (8, 9720841), (13, 5982056), (26, 2991028), (52, 1495514), (104, 747757), (313, 248456), (626, 124228), (1252, 62114), (2389, 32552), (2504, 31057), (4069, 19112), (4778, 16276), (8138, 9556)]