2557632484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{6131}}^1$

素因数の和:6664

約数の個数: 48

約数和(自身を含む): 5150880000

約数和(自身を除く): 2593247516

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 499, 836, 998, 1996, 5489, 6131, 9481, 10978, 12262, 18962, 21956, 24524, 37924, 67441, 104291, 116489, 134882, 208582, 232978, 269764, 417164, 465956, 1281379, 2562758, 3059369, 5125516, 6118738, 12237476, 33653059, 58128011, 67306118, 116256022, 134612236, 232512044, 639408121, 1278816242, 2557632484]

約数ペア:

[(1, 2557632484), (2, 1278816242), (4, 639408121), (11, 232512044), (19, 134612236), (22, 116256022), (38, 67306118), (44, 58128011), (76, 33653059), (209, 12237476), (418, 6118738), (499, 5125516), (836, 3059369), (998, 2562758), (1996, 1281379), (5489, 465956), (6131, 417164), (9481, 269764), (10978, 232978), (12262, 208582), (18962, 134882), (21956, 116489), (24524, 104291), (37924, 67441)]