28666018928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{415787}}^1$

素因数の和:415965

約数の個数: 40

約数和(自身を含む): 57744637440

約数和(自身を除く): 29078618512

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 1112, 2224, 4309, 8618, 17236, 34472, 68944, 415787, 831574, 1663148, 3326296, 6652592, 12889397, 25778794, 51557588, 57794393, 103115176, 115588786, 206230352, 231177572, 462355144, 924710288, 1791626183, 3583252366, 7166504732, 14333009464, 28666018928]

約数ペア:

[(1, 28666018928), (2, 14333009464), (4, 7166504732), (8, 3583252366), (16, 1791626183), (31, 924710288), (62, 462355144), (124, 231177572), (139, 206230352), (248, 115588786), (278, 103115176), (496, 57794393), (556, 51557588), (1112, 25778794), (2224, 12889397), (4309, 6652592), (8618, 3326296), (17236, 1663148), (34472, 831574), (68944, 415787)]