2191198465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{1231}}^1$

素因数の和:1753

約数の個数: 32

約数和(自身を含む): 2843850240

約数和(自身を除く): 652651775

約数列:

[1, 5, 19, 41, 95, 205, 457, 779, 1231, 2285, 3895, 6155, 8683, 18737, 23389, 43415, 50471, 93685, 116945, 252355, 356003, 562567, 958949, 1780015, 2812835, 4794745, 10688773, 23065247, 53443865, 115326235, 438239693, 2191198465]

約数ペア:

[(1, 2191198465), (5, 438239693), (19, 115326235), (41, 53443865), (95, 23065247), (205, 10688773), (457, 4794745), (779, 2812835), (1231, 1780015), (2285, 958949), (3895, 562567), (6155, 356003), (8683, 252355), (18737, 116945), (23389, 93685), (43415, 50471)]