68108690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 134078976

約数和(自身を除く): 65970286

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 191, 211, 338, 382, 422, 845, 955, 1055, 1690, 1910, 2110, 2483, 2743, 4966, 5486, 12415, 13715, 24830, 27430, 32279, 35659, 40301, 64558, 71318, 80602, 161395, 178295, 201505, 322790, 356590, 403010, 523913, 1047826, 2619565, 5239130, 6810869, 13621738, 34054345, 68108690]

約数ペア:

[(1, 68108690), (2, 34054345), (5, 13621738), (10, 6810869), (13, 5239130), (26, 2619565), (65, 1047826), (130, 523913), (169, 403010), (191, 356590), (211, 322790), (338, 201505), (382, 178295), (422, 161395), (845, 80602), (955, 71318), (1055, 64558), (1690, 40301), (1910, 35659), (2110, 32279), (2483, 27430), (2743, 24830), (4966, 13715), (5486, 12415)]