128726384

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2381}}^1$

素因数の和:2529

約数の個数: 40

約数和(自身を含む): 259923840

約数和(自身を除く): 131197456

約数列:

[1, 2, 4, 8, 16, 31, 62, 109, 124, 218, 248, 436, 496, 872, 1744, 2381, 3379, 4762, 6758, 9524, 13516, 19048, 27032, 38096, 54064, 73811, 147622, 259529, 295244, 519058, 590488, 1038116, 1180976, 2076232, 4152464, 8045399, 16090798, 32181596, 64363192, 128726384]

約数ペア:

[(1, 128726384), (2, 64363192), (4, 32181596), (8, 16090798), (16, 8045399), (31, 4152464), (62, 2076232), (109, 1180976), (124, 1038116), (218, 590488), (248, 519058), (436, 295244), (496, 259529), (872, 147622), (1744, 73811), (2381, 54064), (3379, 38096), (4762, 27032), (6758, 19048), (9524, 13516)]