1642559128

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{1277}}^1$

素因数の和:1616

約数の個数: 64

約数和(自身を含む): 3572674560

約数和(自身を除く): 1930115432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 223, 412, 446, 721, 824, 892, 1277, 1442, 1561, 1784, 2554, 2884, 3122, 5108, 5768, 6244, 8939, 10216, 12488, 17878, 22969, 35756, 45938, 71512, 91876, 131531, 160783, 183752, 263062, 284771, 321566, 526124, 569542, 643132, 920717, 1052248, 1139084, 1286264, 1841434, 1993397, 2278168, 3682868, 3986794, 7365736, 7973588, 15947176, 29331413, 58662826, 117325652, 205319891, 234651304, 410639782, 821279564, 1642559128]

約数ペア:

[(1, 1642559128), (2, 821279564), (4, 410639782), (7, 234651304), (8, 205319891), (14, 117325652), (28, 58662826), (56, 29331413), (103, 15947176), (206, 7973588), (223, 7365736), (412, 3986794), (446, 3682868), (721, 2278168), (824, 1993397), (892, 1841434), (1277, 1286264), (1442, 1139084), (1561, 1052248), (1784, 920717), (2554, 643132), (2884, 569542), (3122, 526124), (5108, 321566), (5768, 284771), (6244, 263062), (8939, 183752), (10216, 160783), (12488, 131531), (17878, 91876), (22969, 71512), (35756, 45938)]