261995136

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1754

約数の個数: 128

約数和(自身を含む): 774090240

約数和(自身を除く): 512095104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 312, 372, 384, 403, 416, 496, 624, 744, 806, 832, 992, 1209, 1248, 1488, 1612, 1664, 1693, 1984, 2418, 2496, 2976, 3224, 3386, 3968, 4836, 4992, 5079, 5952, 6448, 6772, 9672, 10158, 11904, 12896, 13544, 19344, 20316, 22009, 25792, 27088, 38688, 40632, 44018, 51584, 52483, 54176, 66027, 77376, 81264, 88036, 104966, 108352, 132054, 154752, 157449, 162528, 176072, 209932, 216704, 264108, 314898, 325056, 352144, 419864, 528216, 629796, 650112, 682279, 704288, 839728, 1056432, 1259592, 1364558, 1408576, 1679456, 2046837, 2112864, 2519184, 2729116, 2817152, 3358912, 4093674, 4225728, 5038368, 5458232, 6717824, 8187348, 8451456, 10076736, 10916464, 16374696, 20153472, 21832928, 32749392, 43665856, 65498784, 87331712, 130997568, 261995136]

約数ペア:

[(1, 261995136), (2, 130997568), (3, 87331712), (4, 65498784), (6, 43665856), (8, 32749392), (12, 21832928), (13, 20153472), (16, 16374696), (24, 10916464), (26, 10076736), (31, 8451456), (32, 8187348), (39, 6717824), (48, 5458232), (52, 5038368), (62, 4225728), (64, 4093674), (78, 3358912), (93, 2817152), (96, 2729116), (104, 2519184), (124, 2112864), (128, 2046837), (156, 1679456), (186, 1408576), (192, 1364558), (208, 1259592), (248, 1056432), (312, 839728), (372, 704288), (384, 682279), (403, 650112), (416, 629796), (496, 528216), (624, 419864), (744, 352144), (806, 325056), (832, 314898), (992, 264108), (1209, 216704), (1248, 209932), (1488, 176072), (1612, 162528), (1664, 157449), (1693, 154752), (1984, 132054), (2418, 108352), (2496, 104966), (2976, 88036), (3224, 81264), (3386, 77376), (3968, 66027), (4836, 54176), (4992, 52483), (5079, 51584), (5952, 44018), (6448, 40632), (6772, 38688), (9672, 27088), (10158, 25792), (11904, 22009), (12896, 20316), (13544, 19344)]