404420128

素因数分解:

$2^5\times 7^2\times {\mathrm{257921}}^1$

素因数の和:257945

約数の個数: 36

約数和(自身を含む): 926197902

約数和(自身を除く): 521777774

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 257921, 515842, 1031684, 1805447, 2063368, 3610894, 4126736, 7221788, 8253472, 12638129, 14443576, 25276258, 28887152, 50552516, 57774304, 101105032, 202210064, 404420128]

約数ペア:

[(1, 404420128), (2, 202210064), (4, 101105032), (7, 57774304), (8, 50552516), (14, 28887152), (16, 25276258), (28, 14443576), (32, 12638129), (49, 8253472), (56, 7221788), (98, 4126736), (112, 3610894), (196, 2063368), (224, 1805447), (392, 1031684), (784, 515842), (1568, 257921)]