8147216

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 20891520

約数和(自身を除く): 12744304

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 308, 374, 389, 476, 616, 748, 778, 952, 1232, 1309, 1496, 1556, 1904, 2618, 2723, 2992, 3112, 4279, 5236, 5446, 6224, 6613, 8558, 10472, 10892, 13226, 17116, 20944, 21784, 26452, 29953, 34232, 43568, 46291, 52904, 59906, 68464, 72743, 92582, 105808, 119812, 145486, 185164, 239624, 290972, 370328, 479248, 509201, 581944, 740656, 1018402, 1163888, 2036804, 4073608, 8147216]

約数ペア:

[(1, 8147216), (2, 4073608), (4, 2036804), (7, 1163888), (8, 1018402), (11, 740656), (14, 581944), (16, 509201), (17, 479248), (22, 370328), (28, 290972), (34, 239624), (44, 185164), (56, 145486), (68, 119812), (77, 105808), (88, 92582), (112, 72743), (119, 68464), (136, 59906), (154, 52904), (176, 46291), (187, 43568), (238, 34232), (272, 29953), (308, 26452), (374, 21784), (389, 20944), (476, 17116), (616, 13226), (748, 10892), (778, 10472), (952, 8558), (1232, 6613), (1309, 6224), (1496, 5446), (1556, 5236), (1904, 4279), (2618, 3112), (2723, 2992)]