211315390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{147773}}^1$

素因数の和:147804

約数の個数: 32

約数和(自身を含む): 446868576

約数和(自身を除く): 235553186

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 147773, 295546, 738865, 1477730, 1625503, 1921049, 3251006, 3842098, 8127515, 9605245, 16255030, 19210490, 21131539, 42263078, 105657695, 211315390]

約数ペア:

[(1, 211315390), (2, 105657695), (5, 42263078), (10, 21131539), (11, 19210490), (13, 16255030), (22, 9605245), (26, 8127515), (55, 3842098), (65, 3251006), (110, 1921049), (130, 1625503), (143, 1477730), (286, 738865), (715, 295546), (1430, 147773)]