128523218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 206451072

約数和(自身を除く): 77927854

約数列:

[1, 2, 23, 46, 61, 122, 163, 281, 326, 562, 1403, 2806, 3749, 6463, 7498, 9943, 12926, 17141, 19886, 34282, 45803, 91606, 228689, 394243, 457378, 788486, 1053469, 2106938, 2793983, 5587966, 64261609, 128523218]

約数ペア:

[(1, 128523218), (2, 64261609), (23, 5587966), (46, 2793983), (61, 2106938), (122, 1053469), (163, 788486), (281, 457378), (326, 394243), (562, 228689), (1403, 91606), (2806, 45803), (3749, 34282), (6463, 19886), (7498, 17141), (9943, 12926)]