30811172

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{26839}}^1$

素因数の和:26891

約数の個数: 24

約数和(自身を含む): 63127680

約数和(自身を除く): 32316508

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 26839, 53678, 107356, 187873, 375746, 751492, 1100399, 2200798, 4401596, 7702793, 15405586, 30811172]

約数ペア:

[(1, 30811172), (2, 15405586), (4, 7702793), (7, 4401596), (14, 2200798), (28, 1100399), (41, 751492), (82, 375746), (164, 187873), (287, 107356), (574, 53678), (1148, 26839)]