278599728

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{17021}}^1$

素因数の和:17074

約数の個数: 80

約数和(自身を含む): 810519552

約数和(自身を除く): 531919824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1364, 1488, 2046, 2728, 4092, 5456, 8184, 16368, 17021, 34042, 51063, 68084, 102126, 136168, 187231, 204252, 272336, 374462, 408504, 527651, 561693, 748924, 817008, 1055302, 1123386, 1497848, 1582953, 2110604, 2246772, 2995696, 3165906, 4221208, 4493544, 5804161, 6331812, 8442416, 8987088, 11608322, 12663624, 17412483, 23216644, 25327248, 34824966, 46433288, 69649932, 92866576, 139299864, 278599728]

約数ペア:

[(1, 278599728), (2, 139299864), (3, 92866576), (4, 69649932), (6, 46433288), (8, 34824966), (11, 25327248), (12, 23216644), (16, 17412483), (22, 12663624), (24, 11608322), (31, 8987088), (33, 8442416), (44, 6331812), (48, 5804161), (62, 4493544), (66, 4221208), (88, 3165906), (93, 2995696), (124, 2246772), (132, 2110604), (176, 1582953), (186, 1497848), (248, 1123386), (264, 1055302), (341, 817008), (372, 748924), (496, 561693), (528, 527651), (682, 408504), (744, 374462), (1023, 272336), (1364, 204252), (1488, 187231), (2046, 136168), (2728, 102126), (4092, 68084), (5456, 51063), (8184, 34042), (16368, 17021)]