199966906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 323104320

約数和(自身を除く): 123137414

約数列:

[1, 2, 19, 38, 61, 122, 281, 307, 562, 614, 1159, 2318, 5339, 5833, 10678, 11666, 17141, 18727, 34282, 37454, 86267, 172534, 325679, 355813, 651358, 711626, 1639073, 3278146, 5262287, 10524574, 99983453, 199966906]

約数ペア:

[(1, 199966906), (2, 99983453), (19, 10524574), (38, 5262287), (61, 3278146), (122, 1639073), (281, 711626), (307, 651358), (562, 355813), (614, 325679), (1159, 172534), (2318, 86267), (5339, 37454), (5833, 34282), (10678, 18727), (11666, 17141)]