78902416

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 157088160

約数和(自身を除く): 78185744

約数列:

[1, 2, 4, 8, 16, 67, 89, 134, 178, 268, 356, 536, 712, 827, 1072, 1424, 1654, 3308, 5963, 6616, 11926, 13232, 23852, 47704, 55409, 73603, 95408, 110818, 147206, 221636, 294412, 443272, 588824, 886544, 1177648, 4931401, 9862802, 19725604, 39451208, 78902416]

約数ペア:

[(1, 78902416), (2, 39451208), (4, 19725604), (8, 9862802), (16, 4931401), (67, 1177648), (89, 886544), (134, 588824), (178, 443272), (268, 294412), (356, 221636), (536, 147206), (712, 110818), (827, 95408), (1072, 73603), (1424, 55409), (1654, 47704), (3308, 23852), (5963, 13232), (6616, 11926)]