201992045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 263554560

約数和(自身を除く): 61562515

約数列:

[1, 5, 17, 61, 85, 163, 239, 305, 815, 1037, 1195, 2771, 4063, 5185, 9943, 13855, 14579, 20315, 38957, 49715, 72895, 169031, 194785, 247843, 662269, 845155, 1239215, 2376377, 3311345, 11881885, 40398409, 201992045]

約数ペア:

[(1, 201992045), (5, 40398409), (17, 11881885), (61, 3311345), (85, 2376377), (163, 1239215), (239, 845155), (305, 662269), (815, 247843), (1037, 194785), (1195, 169031), (2771, 72895), (4063, 49715), (5185, 38957), (9943, 20315), (13855, 14579)]