220389988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6803}}^1$

素因数の和:6916

約数の個数: 48

約数和(自身を含む): 480090240

約数和(自身を除く): 259700252

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 356, 364, 623, 1157, 1246, 2314, 2492, 4628, 6803, 8099, 13606, 16198, 27212, 32396, 47621, 88439, 95242, 176878, 190484, 353756, 605467, 619073, 1210934, 1238146, 2421868, 2476292, 4238269, 7871071, 8476538, 15742142, 16953076, 31484284, 55097497, 110194994, 220389988]

約数ペア:

[(1, 220389988), (2, 110194994), (4, 55097497), (7, 31484284), (13, 16953076), (14, 15742142), (26, 8476538), (28, 7871071), (52, 4238269), (89, 2476292), (91, 2421868), (178, 1238146), (182, 1210934), (356, 619073), (364, 605467), (623, 353756), (1157, 190484), (1246, 176878), (2314, 95242), (2492, 88439), (4628, 47621), (6803, 32396), (8099, 27212), (13606, 16198)]