17497220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 39901680

約数和(自身を除く): 22404460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 389, 692, 778, 865, 1556, 1730, 1945, 2249, 3460, 3890, 4498, 5057, 7780, 8996, 10114, 11245, 20228, 22490, 25285, 44980, 50570, 67297, 101140, 134594, 269188, 336485, 672970, 874861, 1345940, 1749722, 3499444, 4374305, 8748610, 17497220]

約数ペア:

[(1, 17497220), (2, 8748610), (4, 4374305), (5, 3499444), (10, 1749722), (13, 1345940), (20, 874861), (26, 672970), (52, 336485), (65, 269188), (130, 134594), (173, 101140), (260, 67297), (346, 50570), (389, 44980), (692, 25285), (778, 22490), (865, 20228), (1556, 11245), (1730, 10114), (1945, 8996), (2249, 7780), (3460, 5057), (3890, 4498)]