407740892

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{19457}}^1$

素因数の和:19518

約数の個数: 36

約数和(自身を含む): 797622336

約数和(自身を除く): 389881444

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1612, 5239, 10478, 19457, 20956, 38914, 77828, 252941, 505882, 603167, 1011764, 1206334, 2412668, 3288233, 6576466, 7841171, 13152932, 15682342, 31364684, 101935223, 203870446, 407740892]

約数ペア:

[(1, 407740892), (2, 203870446), (4, 101935223), (13, 31364684), (26, 15682342), (31, 13152932), (52, 7841171), (62, 6576466), (124, 3288233), (169, 2412668), (338, 1206334), (403, 1011764), (676, 603167), (806, 505882), (1612, 252941), (5239, 77828), (10478, 38914), (19457, 20956)]