81018368

素因数分解:

$2^9\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:938

約数の個数: 40

約数和(自身を含む): 162820680

約数和(自身を除く): 81802312

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 229, 256, 458, 512, 691, 916, 1382, 1832, 2764, 3664, 5528, 7328, 11056, 14656, 22112, 29312, 44224, 58624, 88448, 117248, 158239, 176896, 316478, 353792, 632956, 1265912, 2531824, 5063648, 10127296, 20254592, 40509184, 81018368]

約数ペア:

[(1, 81018368), (2, 40509184), (4, 20254592), (8, 10127296), (16, 5063648), (32, 2531824), (64, 1265912), (128, 632956), (229, 353792), (256, 316478), (458, 176896), (512, 158239), (691, 117248), (916, 88448), (1382, 58624), (1832, 44224), (2764, 29312), (3664, 22112), (5528, 14656), (7328, 11056)]