139979912

素因数分解:

$2^3\times {\mathrm{47}}^2\times {\mathrm{89}}^2$

素因数の和:278

約数の個数: 36

約数和(自身を含む): 271212405

約数和(自身を除く): 131232493

約数列:

[1, 2, 4, 8, 47, 89, 94, 178, 188, 356, 376, 712, 2209, 4183, 4418, 7921, 8366, 8836, 15842, 16732, 17672, 31684, 33464, 63368, 196601, 372287, 393202, 744574, 786404, 1489148, 1572808, 2978296, 17497489, 34994978, 69989956, 139979912]

約数ペア:

[(1, 139979912), (2, 69989956), (4, 34994978), (8, 17497489), (47, 2978296), (89, 1572808), (94, 1489148), (178, 786404), (188, 744574), (356, 393202), (376, 372287), (712, 196601), (2209, 63368), (4183, 33464), (4418, 31684), (7921, 17672), (8366, 16732), (8836, 15842)]