128709568

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{154699}}^1$

素因数の和:154724

約数の個数: 28

約数和(自身を含む): 275056600

約数和(自身を除く): 146347032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 154699, 309398, 618796, 1237592, 2011087, 2475184, 4022174, 4950368, 8044348, 9900736, 16088696, 32177392, 64354784, 128709568]

約数ペア:

[(1, 128709568), (2, 64354784), (4, 32177392), (8, 16088696), (13, 9900736), (16, 8044348), (26, 4950368), (32, 4022174), (52, 2475184), (64, 2011087), (104, 1237592), (208, 618796), (416, 309398), (832, 154699)]