890331455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{727}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 1171183104

約数和(自身を除く): 280851649

約数列:

[1, 5, 13, 65, 83, 227, 415, 727, 1079, 1135, 2951, 3635, 5395, 9451, 14755, 18841, 47255, 60341, 94205, 165029, 244933, 301705, 784433, 825145, 1224665, 2145377, 3922165, 10726885, 13697407, 68487035, 178066291, 890331455]

約数ペア:

[(1, 890331455), (5, 178066291), (13, 68487035), (65, 13697407), (83, 10726885), (227, 3922165), (415, 2145377), (727, 1224665), (1079, 825145), (1135, 784433), (2951, 301705), (3635, 244933), (5395, 165029), (9451, 94205), (14755, 60341), (18841, 47255)]