128887728

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{21143}}^1$

素因数の和:21281

約数の個数: 40

約数和(自身を含む): 335597568

約数和(自身を除く): 206709840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 254, 381, 508, 762, 1016, 1524, 2032, 3048, 6096, 21143, 42286, 63429, 84572, 126858, 169144, 253716, 338288, 507432, 1014864, 2685161, 5370322, 8055483, 10740644, 16110966, 21481288, 32221932, 42962576, 64443864, 128887728]

約数ペア:

[(1, 128887728), (2, 64443864), (3, 42962576), (4, 32221932), (6, 21481288), (8, 16110966), (12, 10740644), (16, 8055483), (24, 5370322), (48, 2685161), (127, 1014864), (254, 507432), (381, 338288), (508, 253716), (762, 169144), (1016, 126858), (1524, 84572), (2032, 63429), (3048, 42286), (6096, 21143)]