161967728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10667}}^1$

素因数の和:10761

約数の個数: 40

約数和(自身を含む): 342613488

約数和(自身を除く): 180645760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 3796, 7592, 10667, 15184, 21334, 42668, 85336, 138671, 170672, 277342, 554684, 778691, 1109368, 1557382, 2218736, 3114764, 6229528, 10122983, 12459056, 20245966, 40491932, 80983864, 161967728]

約数ペア:

[(1, 161967728), (2, 80983864), (4, 40491932), (8, 20245966), (13, 12459056), (16, 10122983), (26, 6229528), (52, 3114764), (73, 2218736), (104, 1557382), (146, 1109368), (208, 778691), (292, 554684), (584, 277342), (949, 170672), (1168, 138671), (1898, 85336), (3796, 42668), (7592, 21334), (10667, 15184)]