256288728

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{128659}}^1$

素因数の和:128751

約数の個数: 32

約数和(自身を含む): 648446400

約数和(自身を除く): 392157672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992, 128659, 257318, 385977, 514636, 771954, 1029272, 1543908, 3087816, 10678697, 21357394, 32036091, 42714788, 64072182, 85429576, 128144364, 256288728]

約数ペア:

[(1, 256288728), (2, 128144364), (3, 85429576), (4, 64072182), (6, 42714788), (8, 32036091), (12, 21357394), (24, 10678697), (83, 3087816), (166, 1543908), (249, 1029272), (332, 771954), (498, 514636), (664, 385977), (996, 257318), (1992, 128659)]