81385168

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 60

約数和(自身を含む): 167459520

約数和(自身を除く): 86074352

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 79, 124, 134, 158, 248, 268, 316, 496, 536, 632, 961, 1072, 1264, 1922, 2077, 2449, 3844, 4154, 4898, 5293, 7688, 8308, 9796, 10586, 15376, 16616, 19592, 21172, 33232, 39184, 42344, 64387, 75919, 84688, 128774, 151838, 164083, 257548, 303676, 328166, 515096, 607352, 656332, 1030192, 1214704, 1312664, 2625328, 5086573, 10173146, 20346292, 40692584, 81385168]

約数ペア:

[(1, 81385168), (2, 40692584), (4, 20346292), (8, 10173146), (16, 5086573), (31, 2625328), (62, 1312664), (67, 1214704), (79, 1030192), (124, 656332), (134, 607352), (158, 515096), (248, 328166), (268, 303676), (316, 257548), (496, 164083), (536, 151838), (632, 128774), (961, 84688), (1072, 75919), (1264, 64387), (1922, 42344), (2077, 39184), (2449, 33232), (3844, 21172), (4154, 19592), (4898, 16616), (5293, 15376), (7688, 10586), (8308, 9796)]