198542305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{431}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 271434240

約数和(自身を除く): 72891935

約数列:

[1, 5, 13, 19, 65, 95, 247, 373, 431, 1235, 1865, 2155, 4849, 5603, 7087, 8189, 24245, 28015, 35435, 40945, 92131, 106457, 160763, 460655, 532285, 803815, 2089919, 3054497, 10449595, 15272485, 39708461, 198542305]

約数ペア:

[(1, 198542305), (5, 39708461), (13, 15272485), (19, 10449595), (65, 3054497), (95, 2089919), (247, 803815), (373, 532285), (431, 460655), (1235, 160763), (1865, 106457), (2155, 92131), (4849, 40945), (5603, 35435), (7087, 28015), (8189, 24245)]