217628216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{16477}}^1$

素因数の和:16623

約数の個数: 32

約数和(自身を含む): 442928640

約数和(自身を除く): 225300424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1651, 3302, 6604, 13208, 16477, 32954, 65908, 131816, 214201, 428402, 856804, 1713608, 2092579, 4185158, 8370316, 16740632, 27203527, 54407054, 108814108, 217628216]

約数ペア:

[(1, 217628216), (2, 108814108), (4, 54407054), (8, 27203527), (13, 16740632), (26, 8370316), (52, 4185158), (104, 2092579), (127, 1713608), (254, 856804), (508, 428402), (1016, 214201), (1651, 131816), (3302, 65908), (6604, 32954), (13208, 16477)]