87131408

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 216111168

約数和(自身を除く): 128979760

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 83, 91, 98, 103, 104, 112, 166, 182, 196, 206, 208, 332, 364, 392, 412, 581, 637, 664, 721, 728, 784, 824, 1079, 1162, 1274, 1328, 1339, 1442, 1456, 1648, 2158, 2324, 2548, 2678, 2884, 4067, 4316, 4648, 5047, 5096, 5356, 5768, 7553, 8134, 8549, 8632, 9296, 9373, 10094, 10192, 10712, 11536, 15106, 16268, 17098, 17264, 18746, 20188, 21424, 30212, 32536, 34196, 37492, 40376, 52871, 59843, 60424, 65072, 65611, 68392, 74984, 80752, 105742, 111137, 119686, 120848, 131222, 136784, 149968, 211484, 222274, 239372, 262444, 418901, 422968, 444548, 478744, 524888, 777959, 837802, 845936, 889096, 957488, 1049776, 1555918, 1675604, 1778192, 3111836, 3351208, 5445713, 6223672, 6702416, 10891426, 12447344, 21782852, 43565704, 87131408]

約数ペア:

[(1, 87131408), (2, 43565704), (4, 21782852), (7, 12447344), (8, 10891426), (13, 6702416), (14, 6223672), (16, 5445713), (26, 3351208), (28, 3111836), (49, 1778192), (52, 1675604), (56, 1555918), (83, 1049776), (91, 957488), (98, 889096), (103, 845936), (104, 837802), (112, 777959), (166, 524888), (182, 478744), (196, 444548), (206, 422968), (208, 418901), (332, 262444), (364, 239372), (392, 222274), (412, 211484), (581, 149968), (637, 136784), (664, 131222), (721, 120848), (728, 119686), (784, 111137), (824, 105742), (1079, 80752), (1162, 74984), (1274, 68392), (1328, 65611), (1339, 65072), (1442, 60424), (1456, 59843), (1648, 52871), (2158, 40376), (2324, 37492), (2548, 34196), (2678, 32536), (2884, 30212), (4067, 21424), (4316, 20188), (4648, 18746), (5047, 17264), (5096, 17098), (5356, 16268), (5768, 15106), (7553, 11536), (8134, 10712), (8549, 10192), (8632, 10094), (9296, 9373)]