9920291888

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{3668747}}^1$

素因数の和:3668781

約数の個数: 30

約数和(自身を含む): 20812807404

約数和(自身を除く): 10892515516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 3668747, 7337494, 14674988, 29349976, 47693711, 58699952, 95387422, 190774844, 381549688, 620018243, 763099376, 1240036486, 2480072972, 4960145944, 9920291888]

約数ペア:

[(1, 9920291888), (2, 4960145944), (4, 2480072972), (8, 1240036486), (13, 763099376), (16, 620018243), (26, 381549688), (52, 190774844), (104, 95387422), (169, 58699952), (208, 47693711), (338, 29349976), (676, 14674988), (1352, 7337494), (2704, 3668747)]