78434512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{677}}^1$

素因数の和:1255

約数の個数: 40

約数和(自身を含む): 164192616

約数和(自身を除く): 85758104

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 557, 677, 1114, 1354, 2228, 2708, 4456, 5416, 7241, 8801, 8912, 10832, 14482, 17602, 28964, 35204, 57928, 70408, 115856, 140816, 377089, 754178, 1508356, 3016712, 4902157, 6033424, 9804314, 19608628, 39217256, 78434512]

約数ペア:

[(1, 78434512), (2, 39217256), (4, 19608628), (8, 9804314), (13, 6033424), (16, 4902157), (26, 3016712), (52, 1508356), (104, 754178), (208, 377089), (557, 140816), (677, 115856), (1114, 70408), (1354, 57928), (2228, 35204), (2708, 28964), (4456, 17602), (5416, 14482), (7241, 10832), (8801, 8912)]