78277556

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 164457216

約数和(自身を除く): 86179660

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 197, 322, 394, 617, 644, 788, 1234, 1379, 2468, 2758, 4319, 4531, 5516, 8638, 9062, 14191, 17276, 18124, 28382, 31717, 56764, 63434, 99337, 121549, 126868, 198674, 243098, 397348, 486196, 850843, 1701686, 2795627, 3403372, 5591254, 11182508, 19569389, 39138778, 78277556]

約数ペア:

[(1, 78277556), (2, 39138778), (4, 19569389), (7, 11182508), (14, 5591254), (23, 3403372), (28, 2795627), (46, 1701686), (92, 850843), (161, 486196), (197, 397348), (322, 243098), (394, 198674), (617, 126868), (644, 121549), (788, 99337), (1234, 63434), (1379, 56764), (2468, 31717), (2758, 28382), (4319, 18124), (4531, 17276), (5516, 14191), (8638, 9062)]