649587988

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{2593}}^1$

素因数の和:3016

約数の個数: 48

約数和(自身を含む): 1359671040

約数和(自身を除く): 710083052

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 389, 644, 778, 1556, 2593, 2723, 5186, 5446, 8947, 10372, 10892, 17894, 18151, 35788, 36302, 59639, 62629, 72604, 119278, 125258, 238556, 250516, 417473, 834946, 1008677, 1669892, 2017354, 4034708, 7060739, 14121478, 23199571, 28242956, 46399142, 92798284, 162396997, 324793994, 649587988]

約数ペア:

[(1, 649587988), (2, 324793994), (4, 162396997), (7, 92798284), (14, 46399142), (23, 28242956), (28, 23199571), (46, 14121478), (92, 7060739), (161, 4034708), (322, 2017354), (389, 1669892), (644, 1008677), (778, 834946), (1556, 417473), (2593, 250516), (2723, 238556), (5186, 125258), (5446, 119278), (8947, 72604), (10372, 62629), (10892, 59639), (17894, 36302), (18151, 35788)]