388456486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{1249}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 648720000

約数和(自身を除く): 260263514

約数列:

[1, 2, 11, 22, 67, 134, 211, 422, 737, 1249, 1474, 2321, 2498, 4642, 13739, 14137, 27478, 28274, 83683, 155507, 167366, 263539, 311014, 527078, 920513, 1841026, 2898929, 5797858, 17657113, 35314226, 194228243, 388456486]

約数ペア:

[(1, 388456486), (2, 194228243), (11, 35314226), (22, 17657113), (67, 5797858), (134, 2898929), (211, 1841026), (422, 920513), (737, 527078), (1249, 311014), (1474, 263539), (2321, 167366), (2498, 155507), (4642, 83683), (13739, 28274), (14137, 27478)]