668749688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107309}}^1$

素因数の和:107375

約数の個数: 32

約数和(自身を含む): 1352106000

約数和(自身を除く): 683356312

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 6232, 107309, 214618, 429236, 858472, 2038871, 4077742, 4399669, 8155484, 8799338, 16310968, 17598676, 35197352, 83593711, 167187422, 334374844, 668749688]

約数ペア:

[(1, 668749688), (2, 334374844), (4, 167187422), (8, 83593711), (19, 35197352), (38, 17598676), (41, 16310968), (76, 8799338), (82, 8155484), (152, 4399669), (164, 4077742), (328, 2038871), (779, 858472), (1558, 429236), (3116, 214618), (6232, 107309)]