87665354

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2371}}^1$

素因数の和:2538

約数の個数: 32

約数和(自身を含む): 159398400

約数和(自身を除く): 71733046

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 973, 1946, 2371, 2641, 4742, 5282, 16597, 18487, 33194, 36974, 45049, 90098, 315343, 329569, 630686, 659138, 2306983, 4613966, 6261811, 12523622, 43832677, 87665354]

約数ペア:

[(1, 87665354), (2, 43832677), (7, 12523622), (14, 6261811), (19, 4613966), (38, 2306983), (133, 659138), (139, 630686), (266, 329569), (278, 315343), (973, 90098), (1946, 45049), (2371, 36974), (2641, 33194), (4742, 18487), (5282, 16597)]