494247910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{19699}}^1$

素因数の和:19912

約数の個数: 32

約数和(自身を含む): 963093600

約数和(自身を除く): 468845690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 965, 1930, 2509, 5018, 12545, 19699, 25090, 39398, 98495, 196990, 256087, 512174, 1280435, 2560870, 3801907, 7603814, 19009535, 38019070, 49424791, 98849582, 247123955, 494247910]

約数ペア:

[(1, 494247910), (2, 247123955), (5, 98849582), (10, 49424791), (13, 38019070), (26, 19009535), (65, 7603814), (130, 3801907), (193, 2560870), (386, 1280435), (965, 512174), (1930, 256087), (2509, 196990), (5018, 98495), (12545, 39398), (19699, 25090)]