156922843

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 212800000

約数和(自身を除く): 55877157

約数列:

[1, 7, 11, 19, 49, 77, 121, 133, 199, 209, 343, 539, 847, 931, 1393, 1463, 2189, 2299, 3773, 3781, 5929, 6517, 9751, 10241, 15323, 16093, 24079, 26467, 41503, 41591, 68257, 71687, 107261, 112651, 168553, 185269, 291137, 457501, 750827, 788557, 1179871, 1296883, 2037959, 3202507, 8259097, 14265713, 22417549, 156922843]

約数ペア:

[(1, 156922843), (7, 22417549), (11, 14265713), (19, 8259097), (49, 3202507), (77, 2037959), (121, 1296883), (133, 1179871), (199, 788557), (209, 750827), (343, 457501), (539, 291137), (847, 185269), (931, 168553), (1393, 112651), (1463, 107261), (2189, 71687), (2299, 68257), (3773, 41591), (3781, 41503), (5929, 26467), (6517, 24079), (9751, 16093), (10241, 15323)]