201816290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81707}}^1$

素因数の和:81746

約数の個数: 32

約数和(自身を含む): 411808320

約数和(自身を除く): 209992030

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 81707, 163414, 408535, 817070, 1062191, 1552433, 2124382, 3104866, 5310955, 7762165, 10621910, 15524330, 20181629, 40363258, 100908145, 201816290]

約数ペア:

[(1, 201816290), (2, 100908145), (5, 40363258), (10, 20181629), (13, 15524330), (19, 10621910), (26, 7762165), (38, 5310955), (65, 3104866), (95, 2124382), (130, 1552433), (190, 1062191), (247, 817070), (494, 408535), (1235, 163414), (2470, 81707)]