16640144

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:623

約数の個数: 40

約数和(自身を含む): 34471008

約数和(自身を除く): 17830864

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 131, 136, 262, 272, 467, 524, 934, 1048, 1868, 2096, 2227, 3736, 4454, 7472, 7939, 8908, 15878, 17816, 31756, 35632, 61177, 63512, 122354, 127024, 244708, 489416, 978832, 1040009, 2080018, 4160036, 8320072, 16640144]

約数ペア:

[(1, 16640144), (2, 8320072), (4, 4160036), (8, 2080018), (16, 1040009), (17, 978832), (34, 489416), (68, 244708), (131, 127024), (136, 122354), (262, 63512), (272, 61177), (467, 35632), (524, 31756), (934, 17816), (1048, 15878), (1868, 8908), (2096, 7939), (2227, 7472), (3736, 4454)]