1640356

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 3024000

約数和(自身を除く): 1383644

約数列:

[1, 2, 4, 29, 58, 79, 116, 158, 179, 316, 358, 716, 2291, 4582, 5191, 9164, 10382, 14141, 20764, 28282, 56564, 410089, 820178, 1640356]

約数ペア:

[(1, 1640356), (2, 820178), (4, 410089), (29, 56564), (58, 28282), (79, 20764), (116, 14141), (158, 10382), (179, 9164), (316, 5191), (358, 4582), (716, 2291)]