291205330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{25169}}^1$

素因数の和:25278

約数の個数: 32

約数和(自身を含む): 570855600

約数和(自身を除く): 279650270

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 25169, 50338, 125845, 251690, 327197, 654394, 1635985, 2240041, 3271970, 4480082, 11200205, 22400410, 29120533, 58241066, 145602665, 291205330]

約数ペア:

[(1, 291205330), (2, 145602665), (5, 58241066), (10, 29120533), (13, 22400410), (26, 11200205), (65, 4480082), (89, 3271970), (130, 2240041), (178, 1635985), (445, 654394), (890, 327197), (1157, 251690), (2314, 125845), (5785, 50338), (11570, 25169)]