87988688

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 174289440

約数和(自身を除く): 86300752

約数列:

[1, 2, 4, 8, 16, 67, 134, 211, 268, 389, 422, 536, 778, 844, 1072, 1556, 1688, 3112, 3376, 6224, 14137, 26063, 28274, 52126, 56548, 82079, 104252, 113096, 164158, 208504, 226192, 328316, 417008, 656632, 1313264, 5499293, 10998586, 21997172, 43994344, 87988688]

約数ペア:

[(1, 87988688), (2, 43994344), (4, 21997172), (8, 10998586), (16, 5499293), (67, 1313264), (134, 656632), (211, 417008), (268, 328316), (389, 226192), (422, 208504), (536, 164158), (778, 113096), (844, 104252), (1072, 82079), (1556, 56548), (1688, 52126), (3112, 28274), (3376, 26063), (6224, 14137)]