890303906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 1502582400

約数和(自身を除く): 612278494

約数列:

[1, 2, 17, 34, 43, 61, 67, 86, 122, 134, 149, 298, 731, 1037, 1139, 1462, 2074, 2278, 2533, 2623, 2881, 4087, 5066, 5246, 5762, 6407, 8174, 9089, 9983, 12814, 18178, 19966, 44591, 48977, 69479, 89182, 97954, 108919, 138958, 154513, 169711, 175741, 217838, 309026, 339422, 351482, 390827, 429269, 608963, 781654, 858538, 1217926, 2987597, 5975194, 6644059, 7297573, 10352371, 13288118, 14595146, 20704742, 26185409, 52370818, 445151953, 890303906]

約数ペア:

[(1, 890303906), (2, 445151953), (17, 52370818), (34, 26185409), (43, 20704742), (61, 14595146), (67, 13288118), (86, 10352371), (122, 7297573), (134, 6644059), (149, 5975194), (298, 2987597), (731, 1217926), (1037, 858538), (1139, 781654), (1462, 608963), (2074, 429269), (2278, 390827), (2533, 351482), (2623, 339422), (2881, 309026), (4087, 217838), (5066, 175741), (5246, 169711), (5762, 154513), (6407, 138958), (8174, 108919), (9089, 97954), (9983, 89182), (12814, 69479), (18178, 48977), (19966, 44591)]