220144561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 280759808

約数和(自身を除く): 60615247

約数列:

[1, 7, 13, 37, 91, 151, 259, 433, 481, 1057, 1963, 3031, 3367, 5587, 5629, 13741, 16021, 39109, 39403, 65383, 72631, 112147, 208273, 457681, 508417, 849979, 1457911, 2419171, 5949853, 16934197, 31449223, 220144561]

約数ペア:

[(1, 220144561), (7, 31449223), (13, 16934197), (37, 5949853), (91, 2419171), (151, 1457911), (259, 849979), (433, 508417), (481, 457681), (1057, 208273), (1963, 112147), (3031, 72631), (3367, 65383), (5587, 39403), (5629, 39109), (13741, 16021)]