139985426

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{821}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 253307520

約数和(自身を除く): 113322094

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 641, 821, 1282, 1642, 4487, 5747, 8974, 11494, 12179, 15599, 24358, 31198, 85253, 109193, 170506, 218386, 526261, 1052522, 3683827, 7367654, 9998959, 19997918, 69992713, 139985426]

約数ペア:

[(1, 139985426), (2, 69992713), (7, 19997918), (14, 9998959), (19, 7367654), (38, 3683827), (133, 1052522), (266, 526261), (641, 218386), (821, 170506), (1282, 109193), (1642, 85253), (4487, 31198), (5747, 24358), (8974, 15599), (11494, 12179)]