291223388

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{887}}^1\times {\mathrm{1039}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 517171200

約数和(自身を除く): 225947812

約数列:

[1, 2, 4, 79, 158, 316, 887, 1039, 1774, 2078, 3548, 4156, 70073, 82081, 140146, 164162, 280292, 328324, 921593, 1843186, 3686372, 72805847, 145611694, 291223388]

約数ペア:

[(1, 291223388), (2, 145611694), (4, 72805847), (79, 3686372), (158, 1843186), (316, 921593), (887, 328324), (1039, 280292), (1774, 164162), (2078, 140146), (3548, 82081), (4156, 70073)]