289206505

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{6491}}^1$

素因数の和:6589

約数の個数: 32

約数和(自身を含む): 423797760

約数和(自身を除く): 134591255

約数列:

[1, 5, 7, 19, 35, 67, 95, 133, 335, 469, 665, 1273, 2345, 6365, 6491, 8911, 32455, 44555, 45437, 123329, 227185, 434897, 616645, 863303, 2174485, 3044279, 4316515, 8263043, 15221395, 41315215, 57841301, 289206505]

約数ペア:

[(1, 289206505), (5, 57841301), (7, 41315215), (19, 15221395), (35, 8263043), (67, 4316515), (95, 3044279), (133, 2174485), (335, 863303), (469, 616645), (665, 434897), (1273, 227185), (2345, 123329), (6365, 45437), (6491, 44555), (8911, 32455)]