278664144

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1013}}^1$

素因数の和:1556

約数の個数: 80

約数和(自身を含む): 787610304

約数和(自身を除く): 508946160

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 521, 528, 1013, 1042, 1563, 2026, 2084, 3039, 3126, 4052, 4168, 5731, 6078, 6252, 8104, 8336, 11143, 11462, 12156, 12504, 16208, 17193, 22286, 22924, 24312, 25008, 33429, 34386, 44572, 45848, 48624, 66858, 68772, 89144, 91696, 133716, 137544, 178288, 267432, 275088, 527773, 534864, 1055546, 1583319, 2111092, 3166638, 4222184, 5805503, 6333276, 8444368, 11611006, 12666552, 17416509, 23222012, 25333104, 34833018, 46444024, 69666036, 92888048, 139332072, 278664144]

約数ペア:

[(1, 278664144), (2, 139332072), (3, 92888048), (4, 69666036), (6, 46444024), (8, 34833018), (11, 25333104), (12, 23222012), (16, 17416509), (22, 12666552), (24, 11611006), (33, 8444368), (44, 6333276), (48, 5805503), (66, 4222184), (88, 3166638), (132, 2111092), (176, 1583319), (264, 1055546), (521, 534864), (528, 527773), (1013, 275088), (1042, 267432), (1563, 178288), (2026, 137544), (2084, 133716), (3039, 91696), (3126, 89144), (4052, 68772), (4168, 66858), (5731, 48624), (6078, 45848), (6252, 44572), (8104, 34386), (8336, 33429), (11143, 25008), (11462, 24312), (12156, 22924), (12504, 22286), (16208, 17193)]