16381456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11251}}^1$

素因数の和:11279

約数の個数: 40

約数和(自身を含む): 39066944

約数和(自身を除く): 22685488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 11251, 22502, 45004, 78757, 90008, 146263, 157514, 180016, 292526, 315028, 585052, 630056, 1023841, 1170104, 1260112, 2047682, 2340208, 4095364, 8190728, 16381456]

約数ペア:

[(1, 16381456), (2, 8190728), (4, 4095364), (7, 2340208), (8, 2047682), (13, 1260112), (14, 1170104), (16, 1023841), (26, 630056), (28, 585052), (52, 315028), (56, 292526), (91, 180016), (104, 157514), (112, 146263), (182, 90008), (208, 78757), (364, 45004), (728, 22502), (1456, 11251)]