208673675

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 314979840

約数和(自身を除く): 106306165

約数列:

[1, 5, 7, 19, 25, 35, 95, 97, 133, 175, 475, 485, 647, 665, 679, 1843, 2425, 3235, 3325, 3395, 4529, 9215, 12293, 12901, 16175, 16975, 22645, 46075, 61465, 62759, 64505, 86051, 113225, 307325, 313795, 322525, 430255, 439313, 1192421, 1568975, 2151275, 2196565, 5962105, 8346947, 10982825, 29810525, 41734735, 208673675]

約数ペア:

[(1, 208673675), (5, 41734735), (7, 29810525), (19, 10982825), (25, 8346947), (35, 5962105), (95, 2196565), (97, 2151275), (133, 1568975), (175, 1192421), (475, 439313), (485, 430255), (647, 322525), (665, 313795), (679, 307325), (1843, 113225), (2425, 86051), (3235, 64505), (3325, 62759), (3395, 61465), (4529, 46075), (9215, 22645), (12293, 16975), (12901, 16175)]