1397950004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{3491}}^1$

素因数の和:4004

約数の個数: 48

約数和(自身を含む): 2815948800

約数和(自身を除く): 1417998796

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 479, 836, 958, 1916, 3491, 5269, 6982, 9101, 10538, 13964, 18202, 21076, 36404, 38401, 66329, 76802, 100111, 132658, 153604, 200222, 265316, 400444, 729619, 1459238, 1672189, 2918476, 3344378, 6688756, 18394079, 31771591, 36788158, 63543182, 73576316, 127086364, 349487501, 698975002, 1397950004]

約数ペア:

[(1, 1397950004), (2, 698975002), (4, 349487501), (11, 127086364), (19, 73576316), (22, 63543182), (38, 36788158), (44, 31771591), (76, 18394079), (209, 6688756), (418, 3344378), (479, 2918476), (836, 1672189), (958, 1459238), (1916, 729619), (3491, 400444), (5269, 265316), (6982, 200222), (9101, 153604), (10538, 132658), (13964, 100111), (18202, 76802), (21076, 66329), (36404, 38401)]