208481208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{668209}}^1$

素因数の和:668231

約数の個数: 32

約数和(自身を含む): 561296400

約数和(自身を除く): 352815192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 668209, 1336418, 2004627, 2672836, 4009254, 5345672, 8018508, 8686717, 16037016, 17373434, 26060151, 34746868, 52120302, 69493736, 104240604, 208481208]

約数ペア:

[(1, 208481208), (2, 104240604), (3, 69493736), (4, 52120302), (6, 34746868), (8, 26060151), (12, 17373434), (13, 16037016), (24, 8686717), (26, 8018508), (39, 5345672), (52, 4009254), (78, 2672836), (104, 2004627), (156, 1336418), (312, 668209)]