328021278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1121

約数の個数: 64

約数和(自身を含む): 728953344

約数和(自身を除く): 400932066

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 71, 78, 122, 142, 183, 213, 366, 426, 793, 923, 971, 1586, 1846, 1942, 2379, 2769, 2913, 4331, 4758, 5538, 5826, 8662, 12623, 12993, 25246, 25986, 37869, 56303, 59231, 68941, 75738, 112606, 118462, 137882, 168909, 177693, 206823, 337818, 355386, 413646, 770003, 896233, 1540006, 1792466, 2310009, 2688699, 4205401, 4620018, 5377398, 8410802, 12616203, 25232406, 54670213, 109340426, 164010639, 328021278]

約数ペア:

[(1, 328021278), (2, 164010639), (3, 109340426), (6, 54670213), (13, 25232406), (26, 12616203), (39, 8410802), (61, 5377398), (71, 4620018), (78, 4205401), (122, 2688699), (142, 2310009), (183, 1792466), (213, 1540006), (366, 896233), (426, 770003), (793, 413646), (923, 355386), (971, 337818), (1586, 206823), (1846, 177693), (1942, 168909), (2379, 137882), (2769, 118462), (2913, 112606), (4331, 75738), (4758, 68941), (5538, 59231), (5826, 56303), (8662, 37869), (12623, 25986), (12993, 25246)]