267805616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21107}}^1$

素因数の和:21189

約数の個数: 40

約数和(自身を含む): 567974064

約数和(自身を除く): 300168448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 21107, 42214, 84428, 168856, 274391, 337712, 548782, 1097564, 1287527, 2195128, 2575054, 4390256, 5150108, 10300216, 16737851, 20600432, 33475702, 66951404, 133902808, 267805616]

約数ペア:

[(1, 267805616), (2, 133902808), (4, 66951404), (8, 33475702), (13, 20600432), (16, 16737851), (26, 10300216), (52, 5150108), (61, 4390256), (104, 2575054), (122, 2195128), (208, 1287527), (244, 1097564), (488, 548782), (793, 337712), (976, 274391), (1586, 168856), (3172, 84428), (6344, 42214), (12688, 21107)]