819783952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{18679}}^1$

素因数の和:18911

約数の個数: 40

約数和(自身を含む): 1718709440

約数和(自身を除く): 898925488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 844, 1688, 2743, 3376, 5486, 10972, 18679, 21944, 37358, 43888, 74716, 149432, 242827, 298864, 485654, 971308, 1942616, 3885232, 3941269, 7882538, 15765076, 31530152, 51236497, 63060304, 102472994, 204945988, 409891976, 819783952]

約数ペア:

[(1, 819783952), (2, 409891976), (4, 204945988), (8, 102472994), (13, 63060304), (16, 51236497), (26, 31530152), (52, 15765076), (104, 7882538), (208, 3941269), (211, 3885232), (422, 1942616), (844, 971308), (1688, 485654), (2743, 298864), (3376, 242827), (5486, 149432), (10972, 74716), (18679, 43888), (21944, 37358)]