28780668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6011}}^1$

素因数の和:6047

約数の個数: 72

約数和(自身を含む): 87534720

約数和(自身を除く): 58754052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 6011, 12022, 18033, 24044, 36066, 42077, 54099, 72132, 84154, 108198, 114209, 126231, 168308, 216396, 228418, 252462, 342627, 378693, 456836, 504924, 685254, 757386, 799463, 1027881, 1370508, 1514772, 1598926, 2055762, 2398389, 3197852, 4111524, 4796778, 7195167, 9593556, 14390334, 28780668]

約数ペア:

[(1, 28780668), (2, 14390334), (3, 9593556), (4, 7195167), (6, 4796778), (7, 4111524), (9, 3197852), (12, 2398389), (14, 2055762), (18, 1598926), (19, 1514772), (21, 1370508), (28, 1027881), (36, 799463), (38, 757386), (42, 685254), (57, 504924), (63, 456836), (76, 378693), (84, 342627), (114, 252462), (126, 228418), (133, 216396), (171, 168308), (228, 126231), (252, 114209), (266, 108198), (342, 84154), (399, 72132), (532, 54099), (684, 42077), (798, 36066), (1197, 24044), (1596, 18033), (2394, 12022), (4788, 6011)]