1661530780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{912929}}^1$

素因数の和:912958

約数の個数: 48

約数和(自身を含む): 4294422720

約数和(自身を除く): 2632891940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 912929, 1825858, 3651716, 4564645, 6390503, 9129290, 11868077, 12781006, 18258580, 23736154, 25562012, 31952515, 47472308, 59340385, 63905030, 83076539, 118680770, 127810060, 166153078, 237361540, 332306156, 415382695, 830765390, 1661530780]

約数ペア:

[(1, 1661530780), (2, 830765390), (4, 415382695), (5, 332306156), (7, 237361540), (10, 166153078), (13, 127810060), (14, 118680770), (20, 83076539), (26, 63905030), (28, 59340385), (35, 47472308), (52, 31952515), (65, 25562012), (70, 23736154), (91, 18258580), (130, 12781006), (140, 11868077), (182, 9129290), (260, 6390503), (364, 4564645), (455, 3651716), (910, 1825858), (1820, 912929)]