15851966975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{36923}}^1$

素因数の和:38267

約数の個数: 24

約数和(自身を含む): 21185071152

約数和(自身を除く): 5333104177

約数列:

[1, 5, 13, 25, 65, 325, 1321, 6605, 17173, 33025, 36923, 85865, 184615, 429325, 479999, 923075, 2399995, 11999975, 48775283, 243876415, 634078679, 1219382075, 3170393395, 15851966975]

約数ペア:

[(1, 15851966975), (5, 3170393395), (13, 1219382075), (25, 634078679), (65, 243876415), (325, 48775283), (1321, 11999975), (6605, 2399995), (17173, 923075), (33025, 479999), (36923, 429325), (85865, 184615)]