68780816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10667}}^1$

素因数の和:10719

約数の個数: 40

約数和(自身を含む): 148157184

約数和(自身を除く): 79376368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 10667, 21334, 42668, 85336, 138671, 170672, 277342, 330677, 554684, 661354, 1109368, 1322708, 2218736, 2645416, 4298801, 5290832, 8597602, 17195204, 34390408, 68780816]

約数ペア:

[(1, 68780816), (2, 34390408), (4, 17195204), (8, 8597602), (13, 5290832), (16, 4298801), (26, 2645416), (31, 2218736), (52, 1322708), (62, 1109368), (104, 661354), (124, 554684), (208, 330677), (248, 277342), (403, 170672), (496, 138671), (806, 85336), (1612, 42668), (3224, 21334), (6448, 10667)]