8449090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 16563456

約数和(自身を除く): 8114366

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 631, 1030, 1262, 1339, 2678, 3155, 6310, 6695, 8203, 13390, 16406, 41015, 64993, 82030, 129986, 324965, 649930, 844909, 1689818, 4224545, 8449090]

約数ペア:

[(1, 8449090), (2, 4224545), (5, 1689818), (10, 844909), (13, 649930), (26, 324965), (65, 129986), (103, 82030), (130, 64993), (206, 41015), (515, 16406), (631, 13390), (1030, 8203), (1262, 6695), (1339, 6310), (2678, 3155)]