1561752

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 4290000

約数和(自身を除く): 2728248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 199, 218, 327, 398, 436, 597, 654, 796, 872, 981, 1194, 1308, 1592, 1791, 1962, 2388, 2616, 3582, 3924, 4776, 7164, 7848, 14328, 21691, 43382, 65073, 86764, 130146, 173528, 195219, 260292, 390438, 520584, 780876, 1561752]

約数ペア:

[(1, 1561752), (2, 780876), (3, 520584), (4, 390438), (6, 260292), (8, 195219), (9, 173528), (12, 130146), (18, 86764), (24, 65073), (36, 43382), (72, 21691), (109, 14328), (199, 7848), (218, 7164), (327, 4776), (398, 3924), (436, 3582), (597, 2616), (654, 2388), (796, 1962), (872, 1791), (981, 1592), (1194, 1308)]