1990016445

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1\times {\mathrm{4007}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 3223971072

約数和(自身を除く): 1233954627

約数列:

[1, 3, 5, 15, 113, 293, 339, 565, 879, 1465, 1695, 4007, 4395, 12021, 20035, 33109, 60105, 99327, 165545, 452791, 496635, 1174051, 1358373, 2263955, 3522153, 5870255, 6791865, 17610765, 132667763, 398003289, 663338815, 1990016445]

約数ペア:

[(1, 1990016445), (3, 663338815), (5, 398003289), (15, 132667763), (113, 17610765), (293, 6791865), (339, 5870255), (565, 3522153), (879, 2263955), (1465, 1358373), (1695, 1174051), (4007, 496635), (4395, 452791), (12021, 165545), (20035, 99327), (33109, 60105)]