256607088

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:894

約数の個数: 80

約数和(自身を含む): 687670272

約数和(自身を除く): 431063184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 331, 372, 496, 521, 662, 744, 993, 1042, 1324, 1488, 1563, 1986, 2084, 2648, 3126, 3972, 4168, 5296, 6252, 7944, 8336, 10261, 12504, 15888, 16151, 20522, 25008, 30783, 32302, 41044, 48453, 61566, 64604, 82088, 96906, 123132, 129208, 164176, 172451, 193812, 246264, 258416, 344902, 387624, 492528, 517353, 689804, 775248, 1034706, 1379608, 2069412, 2759216, 4138824, 5345981, 8277648, 10691962, 16037943, 21383924, 32075886, 42767848, 64151772, 85535696, 128303544, 256607088]

約数ペア:

[(1, 256607088), (2, 128303544), (3, 85535696), (4, 64151772), (6, 42767848), (8, 32075886), (12, 21383924), (16, 16037943), (24, 10691962), (31, 8277648), (48, 5345981), (62, 4138824), (93, 2759216), (124, 2069412), (186, 1379608), (248, 1034706), (331, 775248), (372, 689804), (496, 517353), (521, 492528), (662, 387624), (744, 344902), (993, 258416), (1042, 246264), (1324, 193812), (1488, 172451), (1563, 164176), (1986, 129208), (2084, 123132), (2648, 96906), (3126, 82088), (3972, 64604), (4168, 61566), (5296, 48453), (6252, 41044), (7944, 32302), (8336, 30783), (10261, 25008), (12504, 20522), (15888, 16151)]