65281216

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1062

約数の個数: 112

約数和(自身を含む): 174101760

約数和(自身を除く): 108820544

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 448, 572, 616, 704, 728, 832, 1001, 1019, 1144, 1232, 1456, 2002, 2038, 2288, 2464, 2912, 4004, 4076, 4576, 4928, 5824, 7133, 8008, 8152, 9152, 11209, 13247, 14266, 16016, 16304, 22418, 26494, 28532, 32032, 32608, 44836, 52988, 57064, 64064, 65216, 78463, 89672, 92729, 105976, 114128, 145717, 156926, 179344, 185458, 211952, 228256, 291434, 313852, 358688, 370916, 423904, 456512, 582868, 627704, 717376, 741832, 847808, 1020019, 1165736, 1255408, 1483664, 2040038, 2331472, 2510816, 2967328, 4080076, 4662944, 5021632, 5934656, 8160152, 9325888, 16320304, 32640608, 65281216]

約数ペア:

[(1, 65281216), (2, 32640608), (4, 16320304), (7, 9325888), (8, 8160152), (11, 5934656), (13, 5021632), (14, 4662944), (16, 4080076), (22, 2967328), (26, 2510816), (28, 2331472), (32, 2040038), (44, 1483664), (52, 1255408), (56, 1165736), (64, 1020019), (77, 847808), (88, 741832), (91, 717376), (104, 627704), (112, 582868), (143, 456512), (154, 423904), (176, 370916), (182, 358688), (208, 313852), (224, 291434), (286, 228256), (308, 211952), (352, 185458), (364, 179344), (416, 156926), (448, 145717), (572, 114128), (616, 105976), (704, 92729), (728, 89672), (832, 78463), (1001, 65216), (1019, 64064), (1144, 57064), (1232, 52988), (1456, 44836), (2002, 32608), (2038, 32032), (2288, 28532), (2464, 26494), (2912, 22418), (4004, 16304), (4076, 16016), (4576, 14266), (4928, 13247), (5824, 11209), (7133, 9152), (8008, 8152)]