205519256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{6599}}^1$

素因数の和:6851

約数の個数: 32

約数和(自身を含む): 409860000

約数和(自身を除く): 204340744

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 229, 458, 916, 1832, 3893, 6599, 7786, 13198, 15572, 26396, 31144, 52792, 112183, 224366, 448732, 897464, 1511171, 3022342, 6044684, 12089368, 25689907, 51379814, 102759628, 205519256]

約数ペア:

[(1, 205519256), (2, 102759628), (4, 51379814), (8, 25689907), (17, 12089368), (34, 6044684), (68, 3022342), (136, 1511171), (229, 897464), (458, 448732), (916, 224366), (1832, 112183), (3893, 52792), (6599, 31144), (7786, 26396), (13198, 15572)]