198963455

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 257292288

約数和(自身を除く): 58328833

約数列:

[1, 5, 23, 47, 115, 131, 235, 281, 655, 1081, 1405, 3013, 5405, 6157, 6463, 13207, 15065, 30785, 32315, 36811, 66035, 141611, 184055, 303761, 708055, 846653, 1518805, 1730117, 4233265, 8650585, 39792691, 198963455]

約数ペア:

[(1, 198963455), (5, 39792691), (23, 8650585), (47, 4233265), (115, 1730117), (131, 1518805), (235, 846653), (281, 708055), (655, 303761), (1081, 184055), (1405, 141611), (3013, 66035), (5405, 36811), (6157, 32315), (6463, 30785), (13207, 15065)]