291225466

素因数分解:

$2^1\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{20021}}^1$

素因数の和:21069

約数の個数: 16

約数和(自身を含む): 499749120

約数和(自身を除く): 208523654

約数列:

[1, 2, 7, 14, 1039, 2078, 7273, 14546, 20021, 40042, 140147, 280294, 20801819, 41603638, 145612733, 291225466]

約数ペア:

[(1, 291225466), (2, 145612733), (7, 41603638), (14, 20801819), (1039, 280294), (2078, 140147), (7273, 40042), (14546, 20021)]