128975406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{9811}}^1$

素因数の和:10136

約数の個数: 32

約数和(自身を含む): 295772928

約数和(自身を除く): 166797522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 313, 626, 939, 1878, 2191, 4382, 6573, 9811, 13146, 19622, 29433, 58866, 68677, 137354, 206031, 412062, 3070843, 6141686, 9212529, 18425058, 21495901, 42991802, 64487703, 128975406]

約数ペア:

[(1, 128975406), (2, 64487703), (3, 42991802), (6, 21495901), (7, 18425058), (14, 9212529), (21, 6141686), (42, 3070843), (313, 412062), (626, 206031), (939, 137354), (1878, 68677), (2191, 58866), (4382, 29433), (6573, 19622), (9811, 13146)]