28423070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1669}}^1$

素因数の和:1820

約数の個数: 32

約数和(自身を含む): 55550880

約数和(自身を除く): 27127810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1669, 1703, 3338, 3406, 8345, 8515, 16690, 17030, 21697, 43394, 108485, 216970, 218639, 437278, 1093195, 2186390, 2842307, 5684614, 14211535, 28423070]

約数ペア:

[(1, 28423070), (2, 14211535), (5, 5684614), (10, 2842307), (13, 2186390), (26, 1093195), (65, 437278), (130, 218639), (131, 216970), (262, 108485), (655, 43394), (1310, 21697), (1669, 17030), (1703, 16690), (3338, 8515), (3406, 8345)]