1380995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 2198016

約数和(自身を除く): 817021

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 211, 385, 595, 935, 1055, 1309, 1477, 2321, 3587, 6545, 7385, 11605, 16247, 17935, 25109, 39457, 81235, 125545, 197285, 276199, 1380995]

約数ペア:

[(1, 1380995), (5, 276199), (7, 197285), (11, 125545), (17, 81235), (35, 39457), (55, 25109), (77, 17935), (85, 16247), (119, 11605), (187, 7385), (211, 6545), (385, 3587), (595, 2321), (935, 1477), (1055, 1309)]