206951344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{7649}}^1$

素因数の和:7765

約数の個数: 40

約数和(自身を含む): 426870000

約数和(自身を除く): 219918656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1424, 1691, 3382, 6764, 7649, 13528, 15298, 27056, 30596, 61192, 122384, 145331, 290662, 581324, 680761, 1162648, 1361522, 2325296, 2723044, 5446088, 10892176, 12934459, 25868918, 51737836, 103475672, 206951344]

約数ペア:

[(1, 206951344), (2, 103475672), (4, 51737836), (8, 25868918), (16, 12934459), (19, 10892176), (38, 5446088), (76, 2723044), (89, 2325296), (152, 1361522), (178, 1162648), (304, 680761), (356, 581324), (712, 290662), (1424, 145331), (1691, 122384), (3382, 61192), (6764, 30596), (7649, 27056), (13528, 15298)]