129558728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{1637}}^1$

素因数の和:2417

約数の個数: 32

約数和(自身を含む): 262112760

約数和(自身を除く): 132554032

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 761, 1522, 1637, 3044, 3274, 6088, 6548, 9893, 13096, 19786, 21281, 39572, 42562, 79144, 85124, 170248, 1245757, 2491514, 4983028, 9966056, 16194841, 32389682, 64779364, 129558728]

約数ペア:

[(1, 129558728), (2, 64779364), (4, 32389682), (8, 16194841), (13, 9966056), (26, 4983028), (52, 2491514), (104, 1245757), (761, 170248), (1522, 85124), (1637, 79144), (3044, 42562), (3274, 39572), (6088, 21281), (6548, 19786), (9893, 13096)]