890591352

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{20627}}^1$

素因数の和:20900

約数の個数: 64

約数和(自身を含む): 2554571520

約数和(自身を除く): 1663980168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 514, 771, 1028, 1542, 1799, 2056, 3084, 3598, 5397, 6168, 7196, 10794, 14392, 20627, 21588, 41254, 43176, 61881, 82508, 123762, 144389, 165016, 247524, 288778, 433167, 495048, 577556, 866334, 1155112, 1732668, 3465336, 5301139, 10602278, 15903417, 21204556, 31806834, 37107973, 42409112, 63613668, 74215946, 111323919, 127227336, 148431892, 222647838, 296863784, 445295676, 890591352]

約数ペア:

[(1, 890591352), (2, 445295676), (3, 296863784), (4, 222647838), (6, 148431892), (7, 127227336), (8, 111323919), (12, 74215946), (14, 63613668), (21, 42409112), (24, 37107973), (28, 31806834), (42, 21204556), (56, 15903417), (84, 10602278), (168, 5301139), (257, 3465336), (514, 1732668), (771, 1155112), (1028, 866334), (1542, 577556), (1799, 495048), (2056, 433167), (3084, 288778), (3598, 247524), (5397, 165016), (6168, 144389), (7196, 123762), (10794, 82508), (14392, 61881), (20627, 43176), (21588, 41254)]