820199274

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{883}}^1$

素因数の和:1091

約数の個数: 64

約数和(自身を含む): 1759739904

約数和(自身を除く): 939540630

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 127, 138, 159, 254, 318, 381, 762, 883, 1219, 1766, 2438, 2649, 2921, 3657, 5298, 5842, 6731, 7314, 8763, 13462, 17526, 20193, 20309, 40386, 40618, 46799, 60927, 93598, 112141, 121854, 140397, 154813, 224282, 280794, 309626, 336423, 464439, 672846, 928878, 1076377, 2152754, 2579243, 3229131, 5158486, 5943473, 6458262, 7737729, 11886946, 15475458, 17830419, 35660838, 136699879, 273399758, 410099637, 820199274]

約数ペア:

[(1, 820199274), (2, 410099637), (3, 273399758), (6, 136699879), (23, 35660838), (46, 17830419), (53, 15475458), (69, 11886946), (106, 7737729), (127, 6458262), (138, 5943473), (159, 5158486), (254, 3229131), (318, 2579243), (381, 2152754), (762, 1076377), (883, 928878), (1219, 672846), (1766, 464439), (2438, 336423), (2649, 309626), (2921, 280794), (3657, 224282), (5298, 154813), (5842, 140397), (6731, 121854), (7314, 112141), (8763, 93598), (13462, 60927), (17526, 46799), (20193, 40618), (20309, 40386)]