161738222

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 272638080

約数和(自身を除く): 110899858

約数列:

[1, 2, 19, 31, 38, 43, 62, 86, 103, 206, 589, 817, 961, 1178, 1333, 1634, 1922, 1957, 2666, 3193, 3914, 4429, 6386, 8858, 18259, 25327, 36518, 41323, 50654, 60667, 82646, 84151, 98983, 121334, 137299, 168302, 197966, 274598, 785137, 1570274, 1880677, 2608681, 3761354, 4256269, 5217362, 8512538, 80869111, 161738222]

約数ペア:

[(1, 161738222), (2, 80869111), (19, 8512538), (31, 5217362), (38, 4256269), (43, 3761354), (62, 2608681), (86, 1880677), (103, 1570274), (206, 785137), (589, 274598), (817, 197966), (961, 168302), (1178, 137299), (1333, 121334), (1634, 98983), (1922, 84151), (1957, 82646), (2666, 60667), (3193, 50654), (3914, 41323), (4429, 36518), (6386, 25327), (8858, 18259)]