68127904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 145159560

約数和(自身を除く): 77031656

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 389, 416, 421, 778, 842, 1556, 1684, 3112, 3368, 5057, 5473, 6224, 6736, 10114, 10946, 12448, 13472, 20228, 21892, 40456, 43784, 80912, 87568, 161824, 163769, 175136, 327538, 655076, 1310152, 2128997, 2620304, 4257994, 5240608, 8515988, 17031976, 34063952, 68127904]

約数ペア:

[(1, 68127904), (2, 34063952), (4, 17031976), (8, 8515988), (13, 5240608), (16, 4257994), (26, 2620304), (32, 2128997), (52, 1310152), (104, 655076), (208, 327538), (389, 175136), (416, 163769), (421, 161824), (778, 87568), (842, 80912), (1556, 43784), (1684, 40456), (3112, 21892), (3368, 20228), (5057, 13472), (5473, 12448), (6224, 10946), (6736, 10114)]