128669872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1129}}^1$

素因数の和:1573

約数の個数: 40

約数和(自身を含む): 264826800

約数和(自身を除く): 136156928

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 419, 838, 1129, 1676, 2258, 3352, 4516, 6704, 7123, 9032, 14246, 18064, 19193, 28492, 38386, 56984, 76772, 113968, 153544, 307088, 473051, 946102, 1892204, 3784408, 7568816, 8041867, 16083734, 32167468, 64334936, 128669872]

約数ペア:

[(1, 128669872), (2, 64334936), (4, 32167468), (8, 16083734), (16, 8041867), (17, 7568816), (34, 3784408), (68, 1892204), (136, 946102), (272, 473051), (419, 307088), (838, 153544), (1129, 113968), (1676, 76772), (2258, 56984), (3352, 38386), (4516, 28492), (6704, 19193), (7123, 18064), (9032, 14246)]