644230096

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{76403}}^1$

素因数の和:76459

約数の個数: 40

約数和(自身を含む): 1364269824

約数和(自身を除く): 720039728

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 76403, 152806, 305612, 611224, 1222448, 1298851, 2368493, 2597702, 4736986, 5195404, 9473972, 10390808, 18947944, 20781616, 37895888, 40264381, 80528762, 161057524, 322115048, 644230096]

約数ペア:

[(1, 644230096), (2, 322115048), (4, 161057524), (8, 80528762), (16, 40264381), (17, 37895888), (31, 20781616), (34, 18947944), (62, 10390808), (68, 9473972), (124, 5195404), (136, 4736986), (248, 2597702), (272, 2368493), (496, 1298851), (527, 1222448), (1054, 611224), (2108, 305612), (4216, 152806), (8432, 76403)]