256356688

素因数分解:

$2^4\times 7^1\times {\mathrm{947}}^1\times {\mathrm{2417}}^1$

素因数の和:3379

約数の個数: 40

約数和(自身を含む): 568481472

約数和(自身を除く): 312124784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 947, 1894, 2417, 3788, 4834, 6629, 7576, 9668, 13258, 15152, 16919, 19336, 26516, 33838, 38672, 53032, 67676, 106064, 135352, 270704, 2288899, 4577798, 9155596, 16022293, 18311192, 32044586, 36622384, 64089172, 128178344, 256356688]

約数ペア:

[(1, 256356688), (2, 128178344), (4, 64089172), (7, 36622384), (8, 32044586), (14, 18311192), (16, 16022293), (28, 9155596), (56, 4577798), (112, 2288899), (947, 270704), (1894, 135352), (2417, 106064), (3788, 67676), (4834, 53032), (6629, 38672), (7576, 33838), (9668, 26516), (13258, 19336), (15152, 16919)]