64998544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16447}}^1$

素因数の和:16487

約数の個数: 40

約数和(自身を含む): 142768640

約数和(自身を除く): 77770096

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 16447, 32894, 65788, 131576, 213811, 263152, 312493, 427622, 624986, 855244, 1249972, 1710488, 2499944, 3420976, 4062409, 4999888, 8124818, 16249636, 32499272, 64998544]

約数ペア:

[(1, 64998544), (2, 32499272), (4, 16249636), (8, 8124818), (13, 4999888), (16, 4062409), (19, 3420976), (26, 2499944), (38, 1710488), (52, 1249972), (76, 855244), (104, 624986), (152, 427622), (208, 312493), (247, 263152), (304, 213811), (494, 131576), (988, 65788), (1976, 32894), (3952, 16447)]