205253516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 395959200

約数和(自身を除く): 190705684

約数列:

[1, 2, 4, 13, 26, 52, 73, 139, 146, 278, 292, 389, 556, 778, 949, 1556, 1807, 1898, 3614, 3796, 5057, 7228, 10114, 10147, 20228, 20294, 28397, 40588, 54071, 56794, 108142, 113588, 131911, 216284, 263822, 369161, 527644, 702923, 738322, 1405846, 1476644, 2811692, 3947183, 7894366, 15788732, 51313379, 102626758, 205253516]

約数ペア:

[(1, 205253516), (2, 102626758), (4, 51313379), (13, 15788732), (26, 7894366), (52, 3947183), (73, 2811692), (139, 1476644), (146, 1405846), (278, 738322), (292, 702923), (389, 527644), (556, 369161), (778, 263822), (949, 216284), (1556, 131911), (1807, 113588), (1898, 108142), (3614, 56794), (3796, 54071), (5057, 40588), (7228, 28397), (10114, 20294), (10147, 20228)]