213887986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 353001600

約数和(自身を除く): 139113614

約数列:

[1, 2, 13, 26, 67, 134, 199, 398, 617, 871, 1234, 1742, 2587, 5174, 8021, 13333, 16042, 26666, 41339, 82678, 122783, 173329, 245566, 346658, 537407, 1074814, 1596179, 3192358, 8226461, 16452922, 106943993, 213887986]

約数ペア:

[(1, 213887986), (2, 106943993), (13, 16452922), (26, 8226461), (67, 3192358), (134, 1596179), (199, 1074814), (398, 537407), (617, 346658), (871, 245566), (1234, 173329), (1742, 122783), (2587, 82678), (5174, 41339), (8021, 26666), (13333, 16042)]