1320403838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{69473}}^1$

素因数の和:69548

約数の個数: 32

約数和(自身を含む): 2310983136

約数和(自身を除く): 990579298

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 1118, 1462, 9503, 19006, 69473, 138946, 903149, 1181041, 1806298, 2362082, 2987339, 5974678, 15353533, 30707066, 38835407, 50784763, 77670814, 101569526, 660201919, 1320403838]

約数ペア:

[(1, 1320403838), (2, 660201919), (13, 101569526), (17, 77670814), (26, 50784763), (34, 38835407), (43, 30707066), (86, 15353533), (221, 5974678), (442, 2987339), (559, 2362082), (731, 1806298), (1118, 1181041), (1462, 903149), (9503, 138946), (19006, 69473)]