139905776

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{509}}^1$

素因数の和:977

約数の個数: 40

約数和(自身を含む): 278888400

約数和(自身を除く): 138982624

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 419, 509, 656, 838, 1018, 1676, 2036, 3352, 4072, 6704, 8144, 17179, 20869, 34358, 41738, 68716, 83476, 137432, 166952, 213271, 274864, 333904, 426542, 853084, 1706168, 3412336, 8744111, 17488222, 34976444, 69952888, 139905776]

約数ペア:

[(1, 139905776), (2, 69952888), (4, 34976444), (8, 17488222), (16, 8744111), (41, 3412336), (82, 1706168), (164, 853084), (328, 426542), (419, 333904), (509, 274864), (656, 213271), (838, 166952), (1018, 137432), (1676, 83476), (2036, 68716), (3352, 41738), (4072, 34358), (6704, 20869), (8144, 17179)]