131131008

素因数分解:

$2^7\times 3^3\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 128

約数和(自身を含む): 407592000

約数和(自身を除く): 276460992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 288, 304, 342, 384, 432, 456, 513, 576, 608, 684, 864, 912, 1026, 1152, 1216, 1368, 1728, 1824, 1997, 2052, 2432, 2736, 3456, 3648, 3994, 4104, 5472, 5991, 7296, 7988, 8208, 10944, 11982, 15976, 16416, 17973, 21888, 23964, 31952, 32832, 35946, 37943, 47928, 53919, 63904, 65664, 71892, 75886, 95856, 107838, 113829, 127808, 143784, 151772, 191712, 215676, 227658, 255616, 287568, 303544, 341487, 383424, 431352, 455316, 575136, 607088, 682974, 766848, 862704, 910632, 1024461, 1150272, 1214176, 1365948, 1725408, 1821264, 2048922, 2300544, 2428352, 2731896, 3450816, 3642528, 4097844, 4856704, 5463792, 6901632, 7285056, 8195688, 10927584, 14570112, 16391376, 21855168, 32782752, 43710336, 65565504, 131131008]

約数ペア:

[(1, 131131008), (2, 65565504), (3, 43710336), (4, 32782752), (6, 21855168), (8, 16391376), (9, 14570112), (12, 10927584), (16, 8195688), (18, 7285056), (19, 6901632), (24, 5463792), (27, 4856704), (32, 4097844), (36, 3642528), (38, 3450816), (48, 2731896), (54, 2428352), (57, 2300544), (64, 2048922), (72, 1821264), (76, 1725408), (96, 1365948), (108, 1214176), (114, 1150272), (128, 1024461), (144, 910632), (152, 862704), (171, 766848), (192, 682974), (216, 607088), (228, 575136), (288, 455316), (304, 431352), (342, 383424), (384, 341487), (432, 303544), (456, 287568), (513, 255616), (576, 227658), (608, 215676), (684, 191712), (864, 151772), (912, 143784), (1026, 127808), (1152, 113829), (1216, 107838), (1368, 95856), (1728, 75886), (1824, 71892), (1997, 65664), (2052, 63904), (2432, 53919), (2736, 47928), (3456, 37943), (3648, 35946), (3994, 32832), (4104, 31952), (5472, 23964), (5991, 21888), (7296, 17973), (7988, 16416), (8208, 15976), (10944, 11982)]