77939888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3863}}^1$

素因数の和:3981

約数の個数: 40

約数和(自身を含む): 164343648

約数和(自身を除く): 86403760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1261, 1552, 2522, 3863, 5044, 7726, 10088, 15452, 20176, 30904, 50219, 61808, 100438, 200876, 374711, 401752, 749422, 803504, 1498844, 2997688, 4871243, 5995376, 9742486, 19484972, 38969944, 77939888]

約数ペア:

[(1, 77939888), (2, 38969944), (4, 19484972), (8, 9742486), (13, 5995376), (16, 4871243), (26, 2997688), (52, 1498844), (97, 803504), (104, 749422), (194, 401752), (208, 374711), (388, 200876), (776, 100438), (1261, 61808), (1552, 50219), (2522, 30904), (3863, 20176), (5044, 15452), (7726, 10088)]