67891877284

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1609}}^1\times {\mathrm{19571}}^1$

素因数の和:21209

約数の個数: 72

約数和(自身を含む): 150874284960

約数和(自身を除く): 82982407676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 1609, 2156, 3218, 6436, 11263, 17699, 19571, 22526, 35398, 39142, 45052, 70796, 78284, 78841, 123893, 136997, 157682, 215281, 247786, 273994, 315364, 430562, 495572, 547988, 861124, 867251, 958979, 1506967, 1734502, 1917958, 3013934, 3469004, 3835916, 6027868, 10548769, 21097538, 31489739, 42195076, 62979478, 125958956, 220428173, 346387129, 440856346, 692774258, 881712692, 1385548516, 1542997211, 2424709903, 3085994422, 4849419806, 6171988844, 9698839612, 16972969321, 33945938642, 67891877284]

約数ペア:

[(1, 67891877284), (2, 33945938642), (4, 16972969321), (7, 9698839612), (11, 6171988844), (14, 4849419806), (22, 3085994422), (28, 2424709903), (44, 1542997211), (49, 1385548516), (77, 881712692), (98, 692774258), (154, 440856346), (196, 346387129), (308, 220428173), (539, 125958956), (1078, 62979478), (1609, 42195076), (2156, 31489739), (3218, 21097538), (6436, 10548769), (11263, 6027868), (17699, 3835916), (19571, 3469004), (22526, 3013934), (35398, 1917958), (39142, 1734502), (45052, 1506967), (70796, 958979), (78284, 867251), (78841, 861124), (123893, 547988), (136997, 495572), (157682, 430562), (215281, 315364), (247786, 273994)]