856021972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 1758769152

約数和(自身を除く): 902747180

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 361, 403, 494, 589, 722, 806, 988, 1178, 1444, 1471, 1612, 2356, 2942, 4693, 5884, 7657, 9386, 11191, 15314, 18772, 19123, 22382, 27949, 30628, 38246, 44764, 45601, 55898, 76492, 91202, 111796, 145483, 182404, 290966, 363337, 531031, 581932, 592813, 726674, 866419, 1062062, 1185626, 1453348, 1732838, 2124124, 2371252, 3465676, 6903403, 11263447, 13806806, 16461961, 22526894, 27613612, 32923922, 45053788, 65847844, 214005493, 428010986, 856021972]

約数ペア:

[(1, 856021972), (2, 428010986), (4, 214005493), (13, 65847844), (19, 45053788), (26, 32923922), (31, 27613612), (38, 22526894), (52, 16461961), (62, 13806806), (76, 11263447), (124, 6903403), (247, 3465676), (361, 2371252), (403, 2124124), (494, 1732838), (589, 1453348), (722, 1185626), (806, 1062062), (988, 866419), (1178, 726674), (1444, 592813), (1471, 581932), (1612, 531031), (2356, 363337), (2942, 290966), (4693, 182404), (5884, 145483), (7657, 111796), (9386, 91202), (11191, 76492), (15314, 55898), (18772, 45601), (19123, 44764), (22382, 38246), (27949, 30628)]