890245038

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2083}}^1$

素因数の和:2293

約数の個数: 64

約数和(自身を含む): 1968629760

約数和(自身を除く): 1078384722

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 163, 326, 437, 489, 874, 978, 1311, 2083, 2622, 3097, 3749, 4166, 6194, 6249, 7498, 9291, 11247, 12498, 18582, 22494, 39577, 47909, 71231, 79154, 95818, 118731, 142462, 143727, 213693, 237462, 287454, 339529, 427386, 679058, 910271, 1018587, 1820542, 2037174, 2730813, 5461626, 6451051, 7809167, 12902102, 15618334, 19353153, 23427501, 38706306, 46855002, 148374173, 296748346, 445122519, 890245038]

約数ペア:

[(1, 890245038), (2, 445122519), (3, 296748346), (6, 148374173), (19, 46855002), (23, 38706306), (38, 23427501), (46, 19353153), (57, 15618334), (69, 12902102), (114, 7809167), (138, 6451051), (163, 5461626), (326, 2730813), (437, 2037174), (489, 1820542), (874, 1018587), (978, 910271), (1311, 679058), (2083, 427386), (2622, 339529), (3097, 287454), (3749, 237462), (4166, 213693), (6194, 143727), (6249, 142462), (7498, 118731), (9291, 95818), (11247, 79154), (12498, 71231), (18582, 47909), (22494, 39577)]