2912909909

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{7247}}^1$

素因数の和:7905

約数の個数: 24

約数和(自身を含む): 3655427328

約数和(自身を除く): 742517419

約数列:

[1, 7, 13, 49, 91, 631, 637, 4417, 7247, 8203, 30919, 50729, 57421, 94211, 355103, 401947, 659477, 4572857, 4616339, 32009999, 59447141, 224069993, 416129987, 2912909909]

約数ペア:

[(1, 2912909909), (7, 416129987), (13, 224069993), (49, 59447141), (91, 32009999), (631, 4616339), (637, 4572857), (4417, 659477), (7247, 401947), (8203, 355103), (30919, 94211), (50729, 57421)]