128578758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1319}}^1$

素因数の和:1553

約数の個数: 64

約数和(自身を含む): 322375680

約数和(自身を除く): 193796922

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 211, 231, 422, 462, 633, 1266, 1319, 1477, 2321, 2638, 2954, 3957, 4431, 4642, 6963, 7914, 8862, 9233, 13926, 14509, 16247, 18466, 27699, 29018, 32494, 43527, 48741, 55398, 87054, 97482, 101563, 203126, 278309, 304689, 556618, 609378, 834927, 1669854, 1948163, 3061399, 3896326, 5844489, 6122798, 9184197, 11688978, 18368394, 21429793, 42859586, 64289379, 128578758]

約数ペア:

[(1, 128578758), (2, 64289379), (3, 42859586), (6, 21429793), (7, 18368394), (11, 11688978), (14, 9184197), (21, 6122798), (22, 5844489), (33, 3896326), (42, 3061399), (66, 1948163), (77, 1669854), (154, 834927), (211, 609378), (231, 556618), (422, 304689), (462, 278309), (633, 203126), (1266, 101563), (1319, 97482), (1477, 87054), (2321, 55398), (2638, 48741), (2954, 43527), (3957, 32494), (4431, 29018), (4642, 27699), (6963, 18466), (7914, 16247), (8862, 14509), (9233, 13926)]