78381512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1289}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 160682400

約数和(自身を除く): 82300888

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 691, 1289, 1382, 2578, 2764, 5156, 5528, 7601, 10312, 14179, 15202, 28358, 30404, 56716, 60808, 113432, 890699, 1781398, 3562796, 7125592, 9797689, 19595378, 39190756, 78381512]

約数ペア:

[(1, 78381512), (2, 39190756), (4, 19595378), (8, 9797689), (11, 7125592), (22, 3562796), (44, 1781398), (88, 890699), (691, 113432), (1289, 60808), (1382, 56716), (2578, 30404), (2764, 28358), (5156, 15202), (5528, 14179), (7601, 10312)]