1947849905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{3637}}^1$

素因数の和:3785

約数の個数: 32

約数和(自身を含む): 2489439744

約数和(自身を除く): 541589839

約数列:

[1, 5, 43, 47, 53, 215, 235, 265, 2021, 2279, 2491, 3637, 10105, 11395, 12455, 18185, 107113, 156391, 170939, 192761, 535565, 781955, 854695, 963805, 7350377, 8288723, 9059767, 36751885, 41443615, 45298835, 389569981, 1947849905]

約数ペア:

[(1, 1947849905), (5, 389569981), (43, 45298835), (47, 41443615), (53, 36751885), (215, 9059767), (235, 8288723), (265, 7350377), (2021, 963805), (2279, 854695), (2491, 781955), (3637, 535565), (10105, 192761), (11395, 170939), (12455, 156391), (18185, 107113)]